212225535

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 128

約数和(自身を含む): 436838400

約数和(自身を除く): 224612865

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 31, 45, 51, 57, 85, 93, 95, 135, 153, 155, 157, 171, 255, 279, 285, 323, 459, 465, 471, 513, 527, 589, 765, 785, 837, 855, 969, 1395, 1413, 1581, 1615, 1767, 2295, 2355, 2565, 2635, 2669, 2907, 2945, 2983, 4185, 4239, 4743, 4845, 4867, 5301, 7065, 7905, 8007, 8721, 8835, 8949, 10013, 13345, 14229, 14535, 14601, 14915, 15903, 21195, 23715, 24021, 24335, 26505, 26847, 30039, 40035, 43605, 43803, 44745, 50065, 50711, 71145, 72063, 73005, 79515, 80541, 82739, 90117, 92473, 120105, 131409, 134235, 150195, 152133, 219015, 248217, 253555, 270351, 277419, 360315, 402705, 413695, 450585, 456399, 462365, 657045, 744651, 760665, 832257, 1241085, 1351755, 1369197, 1387095, 1572041, 2233953, 2281995, 2496771, 3723255, 4161285, 4716123, 6845985, 7860205, 11169765, 12483855, 14148369, 23580615, 42445107, 70741845, 212225535]

約数ペア:

[(1, 212225535), (3, 70741845), (5, 42445107), (9, 23580615), (15, 14148369), (17, 12483855), (19, 11169765), (27, 7860205), (31, 6845985), (45, 4716123), (51, 4161285), (57, 3723255), (85, 2496771), (93, 2281995), (95, 2233953), (135, 1572041), (153, 1387095), (155, 1369197), (157, 1351755), (171, 1241085), (255, 832257), (279, 760665), (285, 744651), (323, 657045), (459, 462365), (465, 456399), (471, 450585), (513, 413695), (527, 402705), (589, 360315), (765, 277419), (785, 270351), (837, 253555), (855, 248217), (969, 219015), (1395, 152133), (1413, 150195), (1581, 134235), (1615, 131409), (1767, 120105), (2295, 92473), (2355, 90117), (2565, 82739), (2635, 80541), (2669, 79515), (2907, 73005), (2945, 72063), (2983, 71145), (4185, 50711), (4239, 50065), (4743, 44745), (4845, 43803), (4867, 43605), (5301, 40035), (7065, 30039), (7905, 26847), (8007, 26505), (8721, 24335), (8835, 24021), (8949, 23715), (10013, 21195), (13345, 15903), (14229, 14915), (14535, 14601)]