27490911

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 45702144

約数和(自身を除く): 18211233

約数列:

[1, 3, 7, 21, 23, 47, 49, 69, 141, 147, 161, 173, 329, 483, 519, 987, 1081, 1127, 1211, 2303, 3243, 3381, 3633, 3979, 6909, 7567, 8131, 8477, 11937, 22701, 24393, 25431, 27853, 52969, 56917, 83559, 158907, 170751, 187013, 194971, 398419, 561039, 584913, 1195257, 1309091, 3927273, 9163637, 27490911]

約数ペア:

[(1, 27490911), (3, 9163637), (7, 3927273), (21, 1309091), (23, 1195257), (47, 584913), (49, 561039), (69, 398419), (141, 194971), (147, 187013), (161, 170751), (173, 158907), (329, 83559), (483, 56917), (519, 52969), (987, 27853), (1081, 25431), (1127, 24393), (1211, 22701), (2303, 11937), (3243, 8477), (3381, 8131), (3633, 7567), (3979, 6909)]