40505409

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1733}}^1$

素因数の和:1806

約数の個数: 36

約数和(自身を含む): 69384276

約数和(自身を除く): 28878867

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 1113, 1733, 2597, 3339, 5199, 7791, 12131, 15597, 23373, 36393, 84917, 91849, 109179, 254751, 275547, 642943, 764253, 826641, 1928829, 4500601, 5786487, 13501803, 40505409]

約数ペア:

[(1, 40505409), (3, 13501803), (7, 5786487), (9, 4500601), (21, 1928829), (49, 826641), (53, 764253), (63, 642943), (147, 275547), (159, 254751), (371, 109179), (441, 91849), (477, 84917), (1113, 36393), (1733, 23373), (2597, 15597), (3339, 12131), (5199, 7791)]