78028875

素因数分解:

$3^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{1613}}^1$

素因数の和:1677

約数の個数: 48

約数和(自身を含む): 144020448

約数和(自身を除く): 65991573

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 125, 129, 215, 225, 375, 387, 645, 1075, 1125, 1613, 1935, 3225, 4839, 5375, 8065, 9675, 14517, 16125, 24195, 40325, 48375, 69359, 72585, 120975, 201625, 208077, 346795, 362925, 604875, 624231, 1040385, 1733975, 1814625, 3121155, 5201925, 8669875, 15605775, 26009625, 78028875]

約数ペア:

[(1, 78028875), (3, 26009625), (5, 15605775), (9, 8669875), (15, 5201925), (25, 3121155), (43, 1814625), (45, 1733975), (75, 1040385), (125, 624231), (129, 604875), (215, 362925), (225, 346795), (375, 208077), (387, 201625), (645, 120975), (1075, 72585), (1125, 69359), (1613, 48375), (1935, 40325), (3225, 24195), (4839, 16125), (5375, 14517), (8065, 9675)]