1720241715

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{38317}}^1$

素因数の和:38439

約数の個数: 32

約数和(自身を含む): 2858216256

約数和(自身を除く): 1137974541

約数列:

[1, 3, 5, 15, 41, 73, 123, 205, 219, 365, 615, 1095, 2993, 8979, 14965, 38317, 44895, 114951, 191585, 574755, 1570997, 2797141, 4712991, 7854985, 8391423, 13985705, 23564955, 41957115, 114682781, 344048343, 573413905, 1720241715]

約数ペア:

[(1, 1720241715), (3, 573413905), (5, 344048343), (15, 114682781), (41, 41957115), (73, 23564955), (123, 13985705), (205, 8391423), (219, 7854985), (365, 4712991), (615, 2797141), (1095, 1570997), (2993, 574755), (8979, 191585), (14965, 114951), (38317, 44895)]