13638807

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 72

約数和(自身を含む): 25868880

約数和(自身を除く): 12230073

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 61, 63, 91, 117, 147, 169, 183, 189, 273, 351, 427, 441, 507, 549, 637, 793, 819, 1183, 1281, 1323, 1521, 1647, 1911, 2379, 2457, 2989, 3549, 3843, 4563, 5551, 5733, 7137, 8281, 8967, 10309, 10647, 11529, 16653, 17199, 21411, 24843, 26901, 30927, 31941, 38857, 49959, 72163, 74529, 80703, 92781, 116571, 149877, 216489, 223587, 278343, 349713, 505141, 649467, 1049139, 1515423, 1948401, 4546269, 13638807]

約数ペア:

[(1, 13638807), (3, 4546269), (7, 1948401), (9, 1515423), (13, 1049139), (21, 649467), (27, 505141), (39, 349713), (49, 278343), (61, 223587), (63, 216489), (91, 149877), (117, 116571), (147, 92781), (169, 80703), (183, 74529), (189, 72163), (273, 49959), (351, 38857), (427, 31941), (441, 30927), (507, 26901), (549, 24843), (637, 21411), (793, 17199), (819, 16653), (1183, 11529), (1281, 10647), (1323, 10309), (1521, 8967), (1647, 8281), (1911, 7137), (2379, 5733), (2457, 5551), (2989, 4563), (3549, 3843)]