53971875

素因数分解:

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

素因数の和:151

約数の個数: 72

約数和(自身を含む): 103587120

約数和(自身を除く): 49615245

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 101, 125, 171, 225, 285, 303, 375, 475, 505, 625, 855, 909, 1125, 1425, 1515, 1875, 1919, 2375, 2525, 3125, 4275, 4545, 5625, 5757, 7125, 7575, 9375, 9595, 11875, 12625, 17271, 21375, 22725, 28125, 28785, 35625, 37875, 47975, 59375, 63125, 86355, 106875, 113625, 143925, 178125, 189375, 239875, 315625, 431775, 534375, 568125, 719625, 946875, 1199375, 2158875, 2840625, 3598125, 5996875, 10794375, 17990625, 53971875]

約数ペア:

[(1, 53971875), (3, 17990625), (5, 10794375), (9, 5996875), (15, 3598125), (19, 2840625), (25, 2158875), (45, 1199375), (57, 946875), (75, 719625), (95, 568125), (101, 534375), (125, 431775), (171, 315625), (225, 239875), (285, 189375), (303, 178125), (375, 143925), (475, 113625), (505, 106875), (625, 86355), (855, 63125), (909, 59375), (1125, 47975), (1425, 37875), (1515, 35625), (1875, 28785), (1919, 28125), (2375, 22725), (2525, 21375), (3125, 17271), (4275, 12625), (4545, 11875), (5625, 9595), (5757, 9375), (7125, 7575)]