2021876625

素因数分解:

$3^1\times 5^3\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 3438489600

約数和(自身を除く): 1416612975

約数列:

[1, 3, 5, 15, 25, 75, 79, 125, 139, 237, 375, 395, 417, 491, 695, 1185, 1473, 1975, 2085, 2455, 3475, 5925, 7365, 9875, 10425, 10981, 12275, 17375, 29625, 32943, 36825, 38789, 52125, 54905, 61375, 68249, 116367, 164715, 184125, 193945, 204747, 274525, 341245, 581835, 823575, 969725, 1023735, 1372625, 1706225, 2909175, 4117875, 4848625, 5118675, 5391671, 8531125, 14545875, 16175013, 25593375, 26958355, 80875065, 134791775, 404375325, 673958875, 2021876625]

約数ペア:

[(1, 2021876625), (3, 673958875), (5, 404375325), (15, 134791775), (25, 80875065), (75, 26958355), (79, 25593375), (125, 16175013), (139, 14545875), (237, 8531125), (375, 5391671), (395, 5118675), (417, 4848625), (491, 4117875), (695, 2909175), (1185, 1706225), (1473, 1372625), (1975, 1023735), (2085, 969725), (2455, 823575), (3475, 581835), (5925, 341245), (7365, 274525), (9875, 204747), (10425, 193945), (10981, 184125), (12275, 164715), (17375, 116367), (29625, 68249), (32943, 61375), (36825, 54905), (38789, 52125)]