65717955

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 117621504

約数和(自身を除く): 51903549

約数列:

[1, 3, 5, 9, 15, 45, 67, 71, 201, 213, 307, 335, 355, 603, 639, 921, 1005, 1065, 1535, 2763, 3015, 3195, 4605, 4757, 13815, 14271, 20569, 21797, 23785, 42813, 61707, 65391, 71355, 102845, 108985, 185121, 196173, 214065, 308535, 326955, 925605, 980865, 1460399, 4381197, 7301995, 13143591, 21905985, 65717955]

約数ペア:

[(1, 65717955), (3, 21905985), (5, 13143591), (9, 7301995), (15, 4381197), (45, 1460399), (67, 980865), (71, 925605), (201, 326955), (213, 308535), (307, 214065), (335, 196173), (355, 185121), (603, 108985), (639, 102845), (921, 71355), (1005, 65391), (1065, 61707), (1535, 42813), (2763, 23785), (3015, 21797), (3195, 20569), (4605, 14271), (4757, 13815)]