78897705

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 134949696

約数和(自身を除く): 56051991

約数列:

[1, 3, 5, 15, 23, 61, 69, 115, 163, 183, 305, 345, 489, 529, 815, 915, 1403, 1587, 2445, 2645, 3749, 4209, 7015, 7935, 9943, 11247, 18745, 21045, 29829, 32269, 49715, 56235, 86227, 96807, 149145, 161345, 228689, 258681, 431135, 484035, 686067, 1143445, 1293405, 3430335, 5259847, 15779541, 26299235, 78897705]

約数ペア:

[(1, 78897705), (3, 26299235), (5, 15779541), (15, 5259847), (23, 3430335), (61, 1293405), (69, 1143445), (115, 686067), (163, 484035), (183, 431135), (305, 258681), (345, 228689), (489, 161345), (529, 149145), (815, 96807), (915, 86227), (1403, 56235), (1587, 49715), (2445, 32269), (2645, 29829), (3749, 21045), (4209, 18745), (7015, 11247), (7935, 9943)]