42609375

素因数分解:

$3^3\times 5^6\times {\mathrm{101}}^1$

素因数の和:140

約数の個数: 56

約数和(自身を含む): 79686480

約数和(自身を除く): 37077105

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 101, 125, 135, 225, 303, 375, 505, 625, 675, 909, 1125, 1515, 1875, 2525, 2727, 3125, 3375, 4545, 5625, 7575, 9375, 12625, 13635, 15625, 16875, 22725, 28125, 37875, 46875, 63125, 68175, 84375, 113625, 140625, 189375, 315625, 340875, 421875, 568125, 946875, 1578125, 1704375, 2840625, 4734375, 8521875, 14203125, 42609375]

約数ペア:

[(1, 42609375), (3, 14203125), (5, 8521875), (9, 4734375), (15, 2840625), (25, 1704375), (27, 1578125), (45, 946875), (75, 568125), (101, 421875), (125, 340875), (135, 315625), (225, 189375), (303, 140625), (375, 113625), (505, 84375), (625, 68175), (675, 63125), (909, 46875), (1125, 37875), (1515, 28125), (1875, 22725), (2525, 16875), (2727, 15625), (3125, 13635), (3375, 12625), (4545, 9375), (5625, 7575)]