38868885

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 80870400

約数和(自身を除く): 42001515

約数列:

[1, 3, 5, 9, 11, 15, 17, 31, 33, 45, 51, 55, 85, 93, 99, 149, 153, 155, 165, 187, 255, 279, 341, 447, 465, 495, 527, 561, 745, 765, 935, 1023, 1341, 1395, 1581, 1639, 1683, 1705, 2235, 2533, 2635, 2805, 3069, 4619, 4743, 4917, 5115, 5797, 6705, 7599, 7905, 8195, 8415, 12665, 13857, 14751, 15345, 17391, 22797, 23095, 23715, 24585, 27863, 28985, 37995, 41571, 50809, 52173, 69285, 73755, 78523, 83589, 86955, 113985, 139315, 152427, 207855, 235569, 250767, 254045, 260865, 392615, 417945, 457281, 706707, 762135, 863753, 1177845, 1253835, 2286405, 2591259, 3533535, 4318765, 7773777, 12956295, 38868885]

約数ペア:

[(1, 38868885), (3, 12956295), (5, 7773777), (9, 4318765), (11, 3533535), (15, 2591259), (17, 2286405), (31, 1253835), (33, 1177845), (45, 863753), (51, 762135), (55, 706707), (85, 457281), (93, 417945), (99, 392615), (149, 260865), (153, 254045), (155, 250767), (165, 235569), (187, 207855), (255, 152427), (279, 139315), (341, 113985), (447, 86955), (465, 83589), (495, 78523), (527, 73755), (561, 69285), (745, 52173), (765, 50809), (935, 41571), (1023, 37995), (1341, 28985), (1395, 27863), (1581, 24585), (1639, 23715), (1683, 23095), (1705, 22797), (2235, 17391), (2533, 15345), (2635, 14751), (2805, 13857), (3069, 12665), (4619, 8415), (4743, 8195), (4917, 7905), (5115, 7599), (5797, 6705)]