54815775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{397}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 104231424

約数和(自身を除く): 49415649

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 263, 397, 525, 789, 1191, 1315, 1841, 1985, 2779, 3945, 5523, 5955, 6575, 8337, 9205, 9925, 13895, 19725, 27615, 29775, 41685, 46025, 69475, 104411, 138075, 208425, 313233, 522055, 730877, 1566165, 2192631, 2610275, 3654385, 7830825, 10963155, 18271925, 54815775]

約数ペア:

[(1, 54815775), (3, 18271925), (5, 10963155), (7, 7830825), (15, 3654385), (21, 2610275), (25, 2192631), (35, 1566165), (75, 730877), (105, 522055), (175, 313233), (263, 208425), (397, 138075), (525, 104411), (789, 69475), (1191, 46025), (1315, 41685), (1841, 29775), (1985, 27615), (2779, 19725), (3945, 13895), (5523, 9925), (5955, 9205), (6575, 8337)]