13900257

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 24530688

約数和(自身を除く): 10630431

約数列:

[1, 3, 7, 9, 21, 23, 53, 63, 69, 159, 161, 181, 207, 371, 477, 483, 543, 1113, 1219, 1267, 1449, 1629, 3339, 3657, 3801, 4163, 8533, 9593, 10971, 11403, 12489, 25599, 28779, 29141, 37467, 67151, 76797, 86337, 87423, 201453, 220639, 262269, 604359, 661917, 1544473, 1985751, 4633419, 13900257]

約数ペア:

[(1, 13900257), (3, 4633419), (7, 1985751), (9, 1544473), (21, 661917), (23, 604359), (53, 262269), (63, 220639), (69, 201453), (159, 87423), (161, 86337), (181, 76797), (207, 67151), (371, 37467), (477, 29141), (483, 28779), (543, 25599), (1113, 12489), (1219, 11403), (1267, 10971), (1449, 9593), (1629, 8533), (3339, 4163), (3657, 3801)]