266791941

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20543}}^1$

素因数の和:20602

約数の個数: 32

約数和(自身を含む): 437176320

約数和(自身を除く): 170384379

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 4329, 12987, 20543, 61629, 184887, 267059, 554661, 760091, 801177, 2280273, 2403531, 6840819, 7210593, 9881183, 20522457, 29643549, 88930647, 266791941]

約数ペア:

[(1, 266791941), (3, 88930647), (9, 29643549), (13, 20522457), (27, 9881183), (37, 7210593), (39, 6840819), (111, 2403531), (117, 2280273), (333, 801177), (351, 760091), (481, 554661), (999, 267059), (1443, 184887), (4329, 61629), (12987, 20543)]