210917475

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{769}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 402161760

約数和(自身を除く): 191244285

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 53, 69, 75, 115, 159, 207, 225, 265, 345, 477, 575, 769, 795, 1035, 1219, 1325, 1725, 2307, 2385, 3657, 3845, 3975, 5175, 6095, 6921, 10971, 11535, 11925, 17687, 18285, 19225, 30475, 34605, 40757, 53061, 54855, 57675, 88435, 91425, 122271, 159183, 173025, 203785, 265305, 274275, 366813, 442175, 611355, 795915, 937411, 1018925, 1326525, 1834065, 2812233, 3056775, 3979575, 4687055, 8436699, 9170325, 14061165, 23435275, 42183495, 70305825, 210917475]

約数ペア:

[(1, 210917475), (3, 70305825), (5, 42183495), (9, 23435275), (15, 14061165), (23, 9170325), (25, 8436699), (45, 4687055), (53, 3979575), (69, 3056775), (75, 2812233), (115, 1834065), (159, 1326525), (207, 1018925), (225, 937411), (265, 795915), (345, 611355), (477, 442175), (575, 366813), (769, 274275), (795, 265305), (1035, 203785), (1219, 173025), (1325, 159183), (1725, 122271), (2307, 91425), (2385, 88435), (3657, 57675), (3845, 54855), (3975, 53061), (5175, 40757), (6095, 34605), (6921, 30475), (10971, 19225), (11535, 18285), (11925, 17687)]