2158875

素因数分解:

$3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 4137120

約数和(自身を除く): 1978245

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 101, 125, 171, 225, 285, 303, 375, 475, 505, 855, 909, 1125, 1425, 1515, 1919, 2375, 2525, 4275, 4545, 5757, 7125, 7575, 9595, 12625, 17271, 21375, 22725, 28785, 37875, 47975, 86355, 113625, 143925, 239875, 431775, 719625, 2158875]

約数ペア:

[(1, 2158875), (3, 719625), (5, 431775), (9, 239875), (15, 143925), (19, 113625), (25, 86355), (45, 47975), (57, 37875), (75, 28785), (95, 22725), (101, 21375), (125, 17271), (171, 12625), (225, 9595), (285, 7575), (303, 7125), (375, 5757), (475, 4545), (505, 4275), (855, 2525), (909, 2375), (1125, 1919), (1425, 1515)]