13018761

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:630

約数の個数: 36

約数和(自身を含む): 22327812

約数和(自身を除く): 9309051

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 557, 1113, 1671, 2597, 3339, 3899, 5013, 7791, 11697, 23373, 27293, 29521, 35091, 81879, 88563, 206647, 245637, 265689, 619941, 1446529, 1859823, 4339587, 13018761]

約数ペア:

[(1, 13018761), (3, 4339587), (7, 1859823), (9, 1446529), (21, 619941), (49, 265689), (53, 245637), (63, 206647), (147, 88563), (159, 81879), (371, 35091), (441, 29521), (477, 27293), (557, 23373), (1113, 11697), (1671, 7791), (2597, 5013), (3339, 3899)]