201228405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1427}}^1$

素因数の和:1538

約数の個数: 64

約数和(自身を含む): 394813440

約数和(自身を除く): 193585035

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 79, 85, 105, 119, 237, 255, 357, 395, 553, 595, 1185, 1343, 1427, 1659, 1785, 2765, 4029, 4281, 6715, 7135, 8295, 9401, 9989, 20145, 21405, 24259, 28203, 29967, 47005, 49945, 72777, 112733, 121295, 141015, 149835, 169813, 338199, 363885, 509439, 563665, 789131, 849065, 1690995, 1916461, 2367393, 2547195, 3945655, 5749383, 9582305, 11836965, 13415227, 28746915, 40245681, 67076135, 201228405]

約数ペア:

[(1, 201228405), (3, 67076135), (5, 40245681), (7, 28746915), (15, 13415227), (17, 11836965), (21, 9582305), (35, 5749383), (51, 3945655), (79, 2547195), (85, 2367393), (105, 1916461), (119, 1690995), (237, 849065), (255, 789131), (357, 563665), (395, 509439), (553, 363885), (595, 338199), (1185, 169813), (1343, 149835), (1427, 141015), (1659, 121295), (1785, 112733), (2765, 72777), (4029, 49945), (4281, 47005), (6715, 29967), (7135, 28203), (8295, 24259), (9401, 21405), (9989, 20145)]