23718015

素因数分解:

$3^9\times 5^1\times {\mathrm{241}}^1$

素因数の和:273

約数の個数: 40

約数和(自身を含む): 42868848

約数和(自身を除く): 19150833

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 241, 243, 405, 723, 729, 1205, 1215, 2169, 2187, 3615, 3645, 6507, 6561, 10845, 10935, 19521, 19683, 32535, 32805, 58563, 97605, 98415, 175689, 292815, 527067, 878445, 1581201, 2635335, 4743603, 7906005, 23718015]

約数ペア:

[(1, 23718015), (3, 7906005), (5, 4743603), (9, 2635335), (15, 1581201), (27, 878445), (45, 527067), (81, 292815), (135, 175689), (241, 98415), (243, 97605), (405, 58563), (723, 32805), (729, 32535), (1205, 19683), (1215, 19521), (2169, 10935), (2187, 10845), (3615, 6561), (3645, 6507)]