28654725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 52853760

約数和(自身を除く): 24199035

約数列:

[1, 3, 5, 11, 15, 25, 33, 47, 55, 75, 141, 165, 235, 275, 517, 705, 739, 825, 1175, 1551, 2217, 2585, 3525, 3695, 7755, 8129, 11085, 12925, 18475, 24387, 34733, 38775, 40645, 55425, 104199, 121935, 173665, 203225, 382063, 520995, 609675, 868325, 1146189, 1910315, 2604975, 5730945, 9551575, 28654725]

約数ペア:

[(1, 28654725), (3, 9551575), (5, 5730945), (11, 2604975), (15, 1910315), (25, 1146189), (33, 868325), (47, 609675), (55, 520995), (75, 382063), (141, 203225), (165, 173665), (235, 121935), (275, 104199), (517, 55425), (705, 40645), (739, 38775), (825, 34733), (1175, 24387), (1551, 18475), (2217, 12925), (2585, 11085), (3525, 8129), (3695, 7755)]