2008769985

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1\times {\mathrm{1019}}^1$

素因数の和:1718

約数の個数: 48

約数和(自身を含む): 3540101760

約数和(自身を除く): 1531331775

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 617, 639, 1019, 1065, 1851, 3057, 3085, 3195, 5095, 5553, 9171, 9255, 15285, 27765, 43807, 45855, 72349, 131421, 217047, 219035, 361745, 394263, 628723, 651141, 657105, 1085235, 1886169, 1971315, 3143615, 3255705, 5658507, 9430845, 28292535, 44639333, 133917999, 223196665, 401753997, 669589995, 2008769985]

約数ペア:

[(1, 2008769985), (3, 669589995), (5, 401753997), (9, 223196665), (15, 133917999), (45, 44639333), (71, 28292535), (213, 9430845), (355, 5658507), (617, 3255705), (639, 3143615), (1019, 1971315), (1065, 1886169), (1851, 1085235), (3057, 657105), (3085, 651141), (3195, 628723), (5095, 394263), (5553, 361745), (9171, 219035), (9255, 217047), (15285, 131421), (27765, 72349), (43807, 45855)]