81171558

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{38543}}^1$

素因数の和:38570

約数の個数: 40

約数和(自身を含む): 195880608

約数和(自身を除く): 114709050

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 38543, 77086, 115629, 231258, 346887, 501059, 693774, 1002118, 1040661, 1503177, 2081322, 3006354, 3121983, 4509531, 6243966, 9019062, 13528593, 27057186, 40585779, 81171558]

約数ペア:

[(1, 81171558), (2, 40585779), (3, 27057186), (6, 13528593), (9, 9019062), (13, 6243966), (18, 4509531), (26, 3121983), (27, 3006354), (39, 2081322), (54, 1503177), (78, 1040661), (81, 1002118), (117, 693774), (162, 501059), (234, 346887), (351, 231258), (702, 115629), (1053, 77086), (2106, 38543)]