724275

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:85

約数の個数: 48

約数和(自身を含む): 1413600

約数和(自身を除く): 689325

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 37, 45, 75, 87, 111, 135, 145, 185, 225, 261, 333, 435, 555, 675, 725, 783, 925, 999, 1073, 1305, 1665, 2175, 2775, 3219, 3915, 4995, 5365, 6525, 8325, 9657, 16095, 19575, 24975, 26825, 28971, 48285, 80475, 144855, 241425, 724275]

約数ペア:

[(1, 724275), (3, 241425), (5, 144855), (9, 80475), (15, 48285), (25, 28971), (27, 26825), (29, 24975), (37, 19575), (45, 16095), (75, 9657), (87, 8325), (111, 6525), (135, 5365), (145, 4995), (185, 3915), (225, 3219), (261, 2775), (333, 2175), (435, 1665), (555, 1305), (675, 1073), (725, 999), (783, 925)]