253707405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1597}}^1$

素因数の和:1718

約数の個数: 64

約数和(自身を含む): 497041920

約数和(自身を除く): 243334515

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 89, 105, 119, 255, 267, 357, 445, 595, 623, 1335, 1513, 1597, 1785, 1869, 3115, 4539, 4791, 7565, 7985, 9345, 10591, 11179, 22695, 23955, 27149, 31773, 33537, 52955, 55895, 81447, 135745, 142133, 158865, 167685, 190043, 407235, 426399, 570129, 710665, 950215, 994931, 2131995, 2416261, 2850645, 2984793, 4974655, 7248783, 12081305, 14923965, 16913827, 36243915, 50741481, 84569135, 253707405]

約数ペア:

[(1, 253707405), (3, 84569135), (5, 50741481), (7, 36243915), (15, 16913827), (17, 14923965), (21, 12081305), (35, 7248783), (51, 4974655), (85, 2984793), (89, 2850645), (105, 2416261), (119, 2131995), (255, 994931), (267, 950215), (357, 710665), (445, 570129), (595, 426399), (623, 407235), (1335, 190043), (1513, 167685), (1597, 158865), (1785, 142133), (1869, 135745), (3115, 81447), (4539, 55895), (4791, 52955), (7565, 33537), (7985, 31773), (9345, 27149), (10591, 23955), (11179, 22695)]