27640977

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{983}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 45846528

約数和(自身を除く): 18205551

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 273, 309, 721, 983, 1339, 2163, 2949, 4017, 6881, 9373, 12779, 20643, 28119, 38337, 89453, 101249, 268359, 303747, 708743, 1316237, 2126229, 3948711, 9213659, 27640977]

約数ペア:

[(1, 27640977), (3, 9213659), (7, 3948711), (13, 2126229), (21, 1316237), (39, 708743), (91, 303747), (103, 268359), (273, 101249), (309, 89453), (721, 38337), (983, 28119), (1339, 20643), (2163, 12779), (2949, 9373), (4017, 6881)]