2146725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 4642560

約数和(自身を除く): 2495835

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 29, 35, 45, 47, 63, 75, 87, 105, 141, 145, 175, 203, 225, 235, 261, 315, 329, 423, 435, 525, 609, 705, 725, 987, 1015, 1175, 1305, 1363, 1575, 1645, 1827, 2115, 2175, 2961, 3045, 3525, 4089, 4935, 5075, 6525, 6815, 8225, 9135, 9541, 10575, 12267, 14805, 15225, 20445, 24675, 28623, 34075, 45675, 47705, 61335, 74025, 85869, 102225, 143115, 238525, 306675, 429345, 715575, 2146725]

約数ペア:

[(1, 2146725), (3, 715575), (5, 429345), (7, 306675), (9, 238525), (15, 143115), (21, 102225), (25, 85869), (29, 74025), (35, 61335), (45, 47705), (47, 45675), (63, 34075), (75, 28623), (87, 24675), (105, 20445), (141, 15225), (145, 14805), (175, 12267), (203, 10575), (225, 9541), (235, 9135), (261, 8225), (315, 6815), (329, 6525), (423, 5075), (435, 4935), (525, 4089), (609, 3525), (705, 3045), (725, 2961), (987, 2175), (1015, 2115), (1175, 1827), (1305, 1645), (1363, 1575)]