11871225

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 22369600

約数和(自身を除く): 10498375

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 409, 645, 675, 1075, 1161, 1227, 1935, 2045, 3225, 3681, 5805, 6135, 9675, 10225, 11043, 17587, 18405, 29025, 30675, 52761, 55215, 87935, 92025, 158283, 263805, 276075, 439675, 474849, 791415, 1319025, 2374245, 3957075, 11871225]

約数ペア:

[(1, 11871225), (3, 3957075), (5, 2374245), (9, 1319025), (15, 791415), (25, 474849), (27, 439675), (43, 276075), (45, 263805), (75, 158283), (129, 92025), (135, 87935), (215, 55215), (225, 52761), (387, 30675), (409, 29025), (645, 18405), (675, 17587), (1075, 11043), (1161, 10225), (1227, 9675), (1935, 6135), (2045, 5805), (3225, 3681)]