31213845

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 58771440

約数和(自身を除く): 27557595

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 229, 233, 585, 687, 699, 1145, 1165, 2061, 2097, 2977, 3029, 3435, 3495, 8931, 9087, 10305, 10485, 14885, 15145, 26793, 27261, 44655, 45435, 53357, 133965, 136305, 160071, 266785, 480213, 693641, 800355, 2080923, 2401065, 3468205, 6242769, 10404615, 31213845]

約数ペア:

[(1, 31213845), (3, 10404615), (5, 6242769), (9, 3468205), (13, 2401065), (15, 2080923), (39, 800355), (45, 693641), (65, 480213), (117, 266785), (195, 160071), (229, 136305), (233, 133965), (585, 53357), (687, 45435), (699, 44655), (1145, 27261), (1165, 26793), (2061, 15145), (2097, 14885), (2977, 10485), (3029, 10305), (3435, 9087), (3495, 8931)]