87903207

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4241}}^1$

素因数の和:4308

約数の個数: 36

約数和(自身を含む): 150879456

約数和(自身を除く): 62976249

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2961, 4241, 6909, 12723, 20727, 29687, 38169, 89061, 199327, 207809, 267183, 597981, 623427, 1395289, 1793943, 1870281, 4185867, 9767023, 12557601, 29301069, 87903207]

約数ペア:

[(1, 87903207), (3, 29301069), (7, 12557601), (9, 9767023), (21, 4185867), (47, 1870281), (49, 1793943), (63, 1395289), (141, 623427), (147, 597981), (329, 267183), (423, 207809), (441, 199327), (987, 89061), (2303, 38169), (2961, 29687), (4241, 20727), (6909, 12723)]