71643879

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 108738560

約数和(自身を除く): 37094681

約数列:

[1, 3, 9, 27, 73, 163, 219, 223, 489, 657, 669, 1467, 1971, 2007, 4401, 6021, 11899, 16279, 35697, 36349, 48837, 107091, 109047, 146511, 321273, 327141, 439533, 981423, 2653477, 7960431, 23881293, 71643879]

約数ペア:

[(1, 71643879), (3, 23881293), (9, 7960431), (27, 2653477), (73, 981423), (163, 439533), (219, 327141), (223, 321273), (489, 146511), (657, 109047), (669, 107091), (1467, 48837), (1971, 36349), (2007, 35697), (4401, 16279), (6021, 11899)]