84870225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 169221312

約数和(自身を除く): 84351087

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 53, 55, 75, 99, 159, 165, 225, 265, 275, 477, 495, 583, 647, 795, 825, 1325, 1749, 1941, 2385, 2475, 2915, 3235, 3975, 5247, 5823, 7117, 8745, 9705, 11925, 14575, 16175, 21351, 26235, 29115, 34291, 35585, 43725, 48525, 64053, 102873, 106755, 131175, 145575, 171455, 177925, 308619, 320265, 377201, 514365, 533775, 857275, 1131603, 1543095, 1601325, 1886005, 2571825, 3394809, 5658015, 7715475, 9430025, 16974045, 28290075, 84870225]

約数ペア:

[(1, 84870225), (3, 28290075), (5, 16974045), (9, 9430025), (11, 7715475), (15, 5658015), (25, 3394809), (33, 2571825), (45, 1886005), (53, 1601325), (55, 1543095), (75, 1131603), (99, 857275), (159, 533775), (165, 514365), (225, 377201), (265, 320265), (275, 308619), (477, 177925), (495, 171455), (583, 145575), (647, 131175), (795, 106755), (825, 102873), (1325, 64053), (1749, 48525), (1941, 43725), (2385, 35585), (2475, 34291), (2915, 29115), (3235, 26235), (3975, 21351), (5247, 16175), (5823, 14575), (7117, 11925), (8745, 9705)]