81365688

素因数分解:

$2^3\times 3^3\times {\mathrm{163}}^1\times {\mathrm{2311}}^1$

素因数の和:2489

約数の個数: 64

約数和(自身を含む): 227500800

約数和(自身を除く): 146135112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 163, 216, 326, 489, 652, 978, 1304, 1467, 1956, 2311, 2934, 3912, 4401, 4622, 5868, 6933, 8802, 9244, 11736, 13866, 17604, 18488, 20799, 27732, 35208, 41598, 55464, 62397, 83196, 124794, 166392, 249588, 376693, 499176, 753386, 1130079, 1506772, 2260158, 3013544, 3390237, 4520316, 6780474, 9040632, 10170711, 13560948, 20341422, 27121896, 40682844, 81365688]

約数ペア:

[(1, 81365688), (2, 40682844), (3, 27121896), (4, 20341422), (6, 13560948), (8, 10170711), (9, 9040632), (12, 6780474), (18, 4520316), (24, 3390237), (27, 3013544), (36, 2260158), (54, 1506772), (72, 1130079), (108, 753386), (163, 499176), (216, 376693), (326, 249588), (489, 166392), (652, 124794), (978, 83196), (1304, 62397), (1467, 55464), (1956, 41598), (2311, 35208), (2934, 27732), (3912, 20799), (4401, 18488), (4622, 17604), (5868, 13866), (6933, 11736), (8802, 9244)]