17820567

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:241

約数の個数: 40

約数和(自身を含む): 28250112

約数和(自身を除く): 10429545

約数列:

[1, 3, 9, 27, 31, 47, 81, 93, 141, 151, 279, 423, 453, 837, 1269, 1359, 1457, 2511, 3807, 4077, 4371, 4681, 7097, 12231, 13113, 14043, 21291, 39339, 42129, 63873, 118017, 126387, 191619, 220007, 379161, 574857, 660021, 1980063, 5940189, 17820567]

約数ペア:

[(1, 17820567), (3, 5940189), (9, 1980063), (27, 660021), (31, 574857), (47, 379161), (81, 220007), (93, 191619), (141, 126387), (151, 118017), (279, 63873), (423, 42129), (453, 39339), (837, 21291), (1269, 14043), (1359, 13113), (1457, 12231), (2511, 7097), (3807, 4681), (4077, 4371)]