728175

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 1468160

約数和(自身を除く): 739985

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 73, 75, 95, 105, 133, 175, 219, 285, 365, 399, 475, 511, 525, 665, 1095, 1387, 1425, 1533, 1825, 1995, 2555, 3325, 4161, 5475, 6935, 7665, 9709, 9975, 12775, 20805, 29127, 34675, 38325, 48545, 104025, 145635, 242725, 728175]

約数ペア:

[(1, 728175), (3, 242725), (5, 145635), (7, 104025), (15, 48545), (19, 38325), (21, 34675), (25, 29127), (35, 20805), (57, 12775), (73, 9975), (75, 9709), (95, 7665), (105, 6935), (133, 5475), (175, 4161), (219, 3325), (285, 2555), (365, 1995), (399, 1825), (475, 1533), (511, 1425), (525, 1387), (665, 1095)]