9918405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 21071232

約数和(自身を除く): 11152827

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 37, 45, 63, 69, 105, 111, 115, 161, 185, 207, 259, 315, 333, 345, 483, 555, 777, 805, 851, 1035, 1295, 1369, 1449, 1665, 2331, 2415, 2553, 3885, 4107, 4255, 5957, 6845, 7245, 7659, 9583, 11655, 12321, 12765, 17871, 20535, 28749, 29785, 31487, 38295, 47915, 53613, 61605, 86247, 89355, 94461, 143745, 157435, 220409, 268065, 283383, 431235, 472305, 661227, 1102045, 1416915, 1983681, 3306135, 9918405]

約数ペア:

[(1, 9918405), (3, 3306135), (5, 1983681), (7, 1416915), (9, 1102045), (15, 661227), (21, 472305), (23, 431235), (35, 283383), (37, 268065), (45, 220409), (63, 157435), (69, 143745), (105, 94461), (111, 89355), (115, 86247), (161, 61605), (185, 53613), (207, 47915), (259, 38295), (315, 31487), (333, 29785), (345, 28749), (483, 20535), (555, 17871), (777, 12765), (805, 12321), (851, 11655), (1035, 9583), (1295, 7659), (1369, 7245), (1449, 6845), (1665, 5957), (2331, 4255), (2415, 4107), (2553, 3885)]