13041875

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1$

素因数の和:309

約数の個数: 40

約数和(自身を含む): 20393472

約数和(自身を除く): 7351597

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 271, 275, 385, 625, 875, 1355, 1375, 1897, 1925, 2981, 4375, 6775, 6875, 9485, 9625, 14905, 20867, 33875, 47425, 48125, 74525, 104335, 169375, 237125, 372625, 521675, 1185625, 1863125, 2608375, 13041875]

約数ペア:

[(1, 13041875), (5, 2608375), (7, 1863125), (11, 1185625), (25, 521675), (35, 372625), (55, 237125), (77, 169375), (125, 104335), (175, 74525), (271, 48125), (275, 47425), (385, 33875), (625, 20867), (875, 14905), (1355, 9625), (1375, 9485), (1897, 6875), (1925, 6775), (2981, 4375)]