81605448

素因数分解:

$2^3\times 3^3\times {\mathrm{467}}^1\times {\mathrm{809}}^1$

素因数の和:1291

約数の個数: 64

約数和(自身を含む): 227448000

約数和(自身を除く): 145842552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 467, 809, 934, 1401, 1618, 1868, 2427, 2802, 3236, 3736, 4203, 4854, 5604, 6472, 7281, 8406, 9708, 11208, 12609, 14562, 16812, 19416, 21843, 25218, 29124, 33624, 43686, 50436, 58248, 87372, 100872, 174744, 377803, 755606, 1133409, 1511212, 2266818, 3022424, 3400227, 4533636, 6800454, 9067272, 10200681, 13600908, 20401362, 27201816, 40802724, 81605448]

約数ペア:

[(1, 81605448), (2, 40802724), (3, 27201816), (4, 20401362), (6, 13600908), (8, 10200681), (9, 9067272), (12, 6800454), (18, 4533636), (24, 3400227), (27, 3022424), (36, 2266818), (54, 1511212), (72, 1133409), (108, 755606), (216, 377803), (467, 174744), (809, 100872), (934, 87372), (1401, 58248), (1618, 50436), (1868, 43686), (2427, 33624), (2802, 29124), (3236, 25218), (3736, 21843), (4203, 19416), (4854, 16812), (5604, 14562), (6472, 12609), (7281, 11208), (8406, 9708)]