2151075

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 48

約数和(自身を含む): 3928320

約数和(自身を除く): 1777245

約数列:

[1, 3, 5, 15, 23, 25, 29, 43, 69, 75, 87, 115, 129, 145, 215, 345, 435, 575, 645, 667, 725, 989, 1075, 1247, 1725, 2001, 2175, 2967, 3225, 3335, 3741, 4945, 6235, 10005, 14835, 16675, 18705, 24725, 28681, 31175, 50025, 74175, 86043, 93525, 143405, 430215, 717025, 2151075]

約数ペア:

[(1, 2151075), (3, 717025), (5, 430215), (15, 143405), (23, 93525), (25, 86043), (29, 74175), (43, 50025), (69, 31175), (75, 28681), (87, 24725), (115, 18705), (129, 16675), (145, 14835), (215, 10005), (345, 6235), (435, 4945), (575, 3741), (645, 3335), (667, 3225), (725, 2967), (989, 2175), (1075, 2001), (1247, 1725)]