28067475

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 49496832

約数和(自身を除く): 21429357

約数列:

[1, 3, 5, 15, 23, 25, 53, 69, 75, 115, 159, 265, 307, 345, 575, 795, 921, 1219, 1325, 1535, 1725, 3657, 3975, 4605, 6095, 7061, 7675, 16271, 18285, 21183, 23025, 30475, 35305, 48813, 81355, 91425, 105915, 176525, 244065, 374233, 406775, 529575, 1122699, 1220325, 1871165, 5613495, 9355825, 28067475]

約数ペア:

[(1, 28067475), (3, 9355825), (5, 5613495), (15, 1871165), (23, 1220325), (25, 1122699), (53, 529575), (69, 406775), (75, 374233), (115, 244065), (159, 176525), (265, 105915), (307, 91425), (345, 81355), (575, 48813), (795, 35305), (921, 30475), (1219, 23025), (1325, 21183), (1535, 18285), (1725, 16271), (3657, 7675), (3975, 7061), (4605, 6095)]