28957875

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 51757056

約数和(自身を除く): 22799181

約数列:

[1, 3, 5, 15, 25, 31, 47, 53, 75, 93, 125, 141, 155, 159, 235, 265, 375, 465, 705, 775, 795, 1175, 1325, 1457, 1643, 2325, 2491, 3525, 3875, 3975, 4371, 4929, 5875, 6625, 7285, 7473, 8215, 11625, 12455, 17625, 19875, 21855, 24645, 36425, 37365, 41075, 62275, 77221, 109275, 123225, 182125, 186825, 205375, 231663, 311375, 386105, 546375, 616125, 934125, 1158315, 1930525, 5791575, 9652625, 28957875]

約数ペア:

[(1, 28957875), (3, 9652625), (5, 5791575), (15, 1930525), (25, 1158315), (31, 934125), (47, 616125), (53, 546375), (75, 386105), (93, 311375), (125, 231663), (141, 205375), (155, 186825), (159, 182125), (235, 123225), (265, 109275), (375, 77221), (465, 62275), (705, 41075), (775, 37365), (795, 36425), (1175, 24645), (1325, 21855), (1457, 19875), (1643, 17625), (2325, 12455), (2491, 11625), (3525, 8215), (3875, 7473), (3975, 7285), (4371, 6625), (4929, 5875)]