71978355

素因数分解:

$3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3271}}^1$

素因数の和:3448

約数の個数: 32

約数和(自身を含む): 128785920

約数和(自身を除く): 56807565

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 163, 489, 815, 1467, 2445, 3271, 4401, 7335, 9813, 16355, 22005, 29439, 49065, 88317, 147195, 441585, 533173, 1599519, 2665865, 4798557, 7997595, 14395671, 23992785, 71978355]

約数ペア:

[(1, 71978355), (3, 23992785), (5, 14395671), (9, 7997595), (15, 4798557), (27, 2665865), (45, 1599519), (135, 533173), (163, 441585), (489, 147195), (815, 88317), (1467, 49065), (2445, 29439), (3271, 22005), (4401, 16355), (7335, 9813)]