2590875

素因数分解:

$3^2\times 5^3\times 7^2\times {\mathrm{47}}^1$

素因数の和:82

約数の個数: 72

約数和(自身を含む): 5548608

約数和(自身を除く): 2957733

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 47, 49, 63, 75, 105, 125, 141, 147, 175, 225, 235, 245, 315, 329, 375, 423, 441, 525, 705, 735, 875, 987, 1125, 1175, 1225, 1575, 1645, 2115, 2205, 2303, 2625, 2961, 3525, 3675, 4935, 5875, 6125, 6909, 7875, 8225, 10575, 11025, 11515, 14805, 17625, 18375, 20727, 24675, 34545, 41125, 52875, 55125, 57575, 74025, 103635, 123375, 172725, 287875, 370125, 518175, 863625, 2590875]

約数ペア:

[(1, 2590875), (3, 863625), (5, 518175), (7, 370125), (9, 287875), (15, 172725), (21, 123375), (25, 103635), (35, 74025), (45, 57575), (47, 55125), (49, 52875), (63, 41125), (75, 34545), (105, 24675), (125, 20727), (141, 18375), (147, 17625), (175, 14805), (225, 11515), (235, 11025), (245, 10575), (315, 8225), (329, 7875), (375, 6909), (423, 6125), (441, 5875), (525, 4935), (705, 3675), (735, 3525), (875, 2961), (987, 2625), (1125, 2303), (1175, 2205), (1225, 2115), (1575, 1645)]