12954375

素因数分解:

$3^2\times 5^4\times 7^2\times {\mathrm{47}}^1$

素因数の和:87

約数の個数: 90

約数和(自身を含む): 27778608

約数和(自身を除く): 14824233

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, 625, 705, 735, 875, 987, 1125, 1175, 1225, 1575, 1645, 1875, 2115, 2205, 2303, 2625, 2961, 3525, 3675, 4375, 4935, 5625, 5875, 6125, 6909, 7875, 8225, 10575, 11025, 11515, 13125, 14805, 17625, 18375, 20727, 24675, 29375, 30625, 34545, 39375, 41125, 52875, 55125, 57575, 74025, 88125, 91875, 103635, 123375, 172725, 205625, 264375, 275625, 287875, 370125, 518175, 616875, 863625, 1439375, 1850625, 2590875, 4318125, 12954375]

約数ペア:

[(1, 12954375), (3, 4318125), (5, 2590875), (7, 1850625), (9, 1439375), (15, 863625), (21, 616875), (25, 518175), (35, 370125), (45, 287875), (47, 275625), (49, 264375), (63, 205625), (75, 172725), (105, 123375), (125, 103635), (141, 91875), (147, 88125), (175, 74025), (225, 57575), (235, 55125), (245, 52875), (315, 41125), (329, 39375), (375, 34545), (423, 30625), (441, 29375), (525, 24675), (625, 20727), (705, 18375), (735, 17625), (875, 14805), (987, 13125), (1125, 11515), (1175, 11025), (1225, 10575), (1575, 8225), (1645, 7875), (1875, 6909), (2115, 6125), (2205, 5875), (2303, 5625), (2625, 4935), (2961, 4375), (3525, 3675)]