28643445

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 52565760

約数和(自身を除く): 23922315

約数列:

[1, 3, 5, 9, 15, 29, 45, 47, 87, 141, 145, 235, 261, 423, 435, 467, 705, 1305, 1363, 1401, 2115, 2335, 4089, 4203, 6815, 7005, 12267, 13543, 20445, 21015, 21949, 40629, 61335, 65847, 67715, 109745, 121887, 197541, 203145, 329235, 609435, 636521, 987705, 1909563, 3182605, 5728689, 9547815, 28643445]

約数ペア:

[(1, 28643445), (3, 9547815), (5, 5728689), (9, 3182605), (15, 1909563), (29, 987705), (45, 636521), (47, 609435), (87, 329235), (141, 203145), (145, 197541), (235, 121887), (261, 109745), (423, 67715), (435, 65847), (467, 61335), (705, 40629), (1305, 21949), (1363, 21015), (1401, 20445), (2115, 13543), (2335, 12267), (4089, 7005), (4203, 6815)]