2172825

素因数分解:

$3^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:88

約数の個数: 60

約数和(自身を含む): 4276140

約数和(自身を除く): 2103315

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 37, 45, 75, 81, 87, 111, 135, 145, 185, 225, 261, 333, 405, 435, 555, 675, 725, 783, 925, 999, 1073, 1305, 1665, 2025, 2175, 2349, 2775, 2997, 3219, 3915, 4995, 5365, 6525, 8325, 9657, 11745, 14985, 16095, 19575, 24975, 26825, 28971, 48285, 58725, 74925, 80475, 86913, 144855, 241425, 434565, 724275, 2172825]

約数ペア:

[(1, 2172825), (3, 724275), (5, 434565), (9, 241425), (15, 144855), (25, 86913), (27, 80475), (29, 74925), (37, 58725), (45, 48285), (75, 28971), (81, 26825), (87, 24975), (111, 19575), (135, 16095), (145, 14985), (185, 11745), (225, 9657), (261, 8325), (333, 6525), (405, 5365), (435, 4995), (555, 3915), (675, 3219), (725, 2997), (783, 2775), (925, 2349), (999, 2175), (1073, 2025), (1305, 1665)]