13601665

素因数分解:

$5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:147

約数の個数: 40

約数和(自身を含む): 20973888

約数和(自身を除く): 7372223

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 103, 245, 343, 385, 515, 539, 721, 1133, 1715, 2401, 2695, 3605, 3773, 5047, 5665, 7931, 12005, 18865, 25235, 26411, 35329, 39655, 55517, 132055, 176645, 247303, 277585, 388619, 1236515, 1943095, 2720333, 13601665]

約数ペア:

[(1, 13601665), (5, 2720333), (7, 1943095), (11, 1236515), (35, 388619), (49, 277585), (55, 247303), (77, 176645), (103, 132055), (245, 55517), (343, 39655), (385, 35329), (515, 26411), (539, 25235), (721, 18865), (1133, 12005), (1715, 7931), (2401, 5665), (2695, 5047), (3605, 3773)]