81876015

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15551}}^1$

素因数の和:15581

約数の個数: 40

約数和(自身を含む): 158070528

約数和(自身を除く): 76194513

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 15551, 46653, 77755, 139959, 202163, 233265, 419877, 606489, 699795, 1010815, 1259631, 1819467, 2099385, 3032445, 5458401, 6298155, 9097335, 16375203, 27292005, 81876015]

約数ペア:

[(1, 81876015), (3, 27292005), (5, 16375203), (9, 9097335), (13, 6298155), (15, 5458401), (27, 3032445), (39, 2099385), (45, 1819467), (65, 1259631), (81, 1010815), (117, 699795), (135, 606489), (195, 419877), (351, 233265), (405, 202163), (585, 139959), (1053, 77755), (1755, 46653), (5265, 15551)]