2447775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 72

約数和(自身を含む): 5106816

約数和(自身を除く): 2659041

約数列:

[1, 3, 5, 9, 11, 15, 23, 25, 33, 43, 45, 55, 69, 75, 99, 115, 129, 165, 207, 215, 225, 253, 275, 345, 387, 473, 495, 575, 645, 759, 825, 989, 1035, 1075, 1265, 1419, 1725, 1935, 2277, 2365, 2475, 2967, 3225, 3795, 4257, 4945, 5175, 6325, 7095, 8901, 9675, 10879, 11385, 11825, 14835, 18975, 21285, 24725, 32637, 35475, 44505, 54395, 56925, 74175, 97911, 106425, 163185, 222525, 271975, 489555, 815925, 2447775]

約数ペア:

[(1, 2447775), (3, 815925), (5, 489555), (9, 271975), (11, 222525), (15, 163185), (23, 106425), (25, 97911), (33, 74175), (43, 56925), (45, 54395), (55, 44505), (69, 35475), (75, 32637), (99, 24725), (115, 21285), (129, 18975), (165, 14835), (207, 11825), (215, 11385), (225, 10879), (253, 9675), (275, 8901), (345, 7095), (387, 6325), (473, 5175), (495, 4945), (575, 4257), (645, 3795), (759, 3225), (825, 2967), (989, 2475), (1035, 2365), (1075, 2277), (1265, 1935), (1419, 1725)]