51855915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 92067840

約数和(自身を除く): 40211925

約数列:

[1, 3, 5, 15, 23, 29, 69, 71, 73, 87, 115, 145, 213, 219, 345, 355, 365, 435, 667, 1065, 1095, 1633, 1679, 2001, 2059, 2117, 3335, 4899, 5037, 5183, 6177, 6351, 8165, 8395, 10005, 10295, 10585, 15549, 24495, 25185, 25915, 30885, 31755, 47357, 48691, 77745, 119209, 142071, 146073, 150307, 236785, 243455, 357627, 450921, 596045, 710355, 730365, 751535, 1788135, 2254605, 3457061, 10371183, 17285305, 51855915]

約数ペア:

[(1, 51855915), (3, 17285305), (5, 10371183), (15, 3457061), (23, 2254605), (29, 1788135), (69, 751535), (71, 730365), (73, 710355), (87, 596045), (115, 450921), (145, 357627), (213, 243455), (219, 236785), (345, 150307), (355, 146073), (365, 142071), (435, 119209), (667, 77745), (1065, 48691), (1095, 47357), (1633, 31755), (1679, 30885), (2001, 25915), (2059, 25185), (2117, 24495), (3335, 15549), (4899, 10585), (5037, 10295), (5183, 10005), (6177, 8395), (6351, 8165)]