15755575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 23141376

約数和(自身を除く): 7385801

約数列:

[1, 5, 11, 23, 25, 47, 53, 55, 115, 235, 253, 265, 275, 517, 575, 583, 1081, 1175, 1219, 1265, 1325, 2491, 2585, 2915, 5405, 6095, 6325, 11891, 12455, 12925, 13409, 14575, 27025, 27401, 30475, 57293, 59455, 62275, 67045, 137005, 286465, 297275, 335225, 630223, 685025, 1432325, 3151115, 15755575]

約数ペア:

[(1, 15755575), (5, 3151115), (11, 1432325), (23, 685025), (25, 630223), (47, 335225), (53, 297275), (55, 286465), (115, 137005), (235, 67045), (253, 62275), (265, 59455), (275, 57293), (517, 30475), (575, 27401), (583, 27025), (1081, 14575), (1175, 13409), (1219, 12925), (1265, 12455), (1325, 11891), (2491, 6325), (2585, 6095), (2915, 5405)]