91131327

素因数分解:

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

素因数の和:637

約数の個数: 48

約数和(自身を含む): 156686400

約数和(自身を除く): 65555073

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 343, 371, 441, 477, 557, 1029, 1113, 1671, 2597, 3087, 3339, 3899, 5013, 7791, 11697, 18179, 23373, 27293, 29521, 35091, 54537, 81879, 88563, 163611, 191051, 206647, 245637, 265689, 573153, 619941, 1446529, 1719459, 1859823, 4339587, 10125703, 13018761, 30377109, 91131327]

約数ペア:

[(1, 91131327), (3, 30377109), (7, 13018761), (9, 10125703), (21, 4339587), (49, 1859823), (53, 1719459), (63, 1446529), (147, 619941), (159, 573153), (343, 265689), (371, 245637), (441, 206647), (477, 191051), (557, 163611), (1029, 88563), (1113, 81879), (1671, 54537), (2597, 35091), (3087, 29521), (3339, 27293), (3899, 23373), (5013, 18179), (7791, 11697)]