218362851

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 389283840

約数和(自身を除く): 170920989

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 191, 207, 263, 483, 573, 621, 789, 1337, 1449, 1719, 1841, 2367, 4011, 4347, 4393, 5157, 5523, 6049, 7101, 12033, 13179, 16569, 18147, 30751, 36099, 39537, 42343, 49707, 50233, 54441, 92253, 118611, 127029, 150699, 163323, 276759, 351631, 381087, 452097, 830277, 1054893, 1143261, 1155359, 1356291, 3164679, 3466077, 8087513, 9494037, 10398231, 24262539, 31194693, 72787617, 218362851]

約数ペア:

[(1, 218362851), (3, 72787617), (7, 31194693), (9, 24262539), (21, 10398231), (23, 9494037), (27, 8087513), (63, 3466077), (69, 3164679), (161, 1356291), (189, 1155359), (191, 1143261), (207, 1054893), (263, 830277), (483, 452097), (573, 381087), (621, 351631), (789, 276759), (1337, 163323), (1449, 150699), (1719, 127029), (1841, 118611), (2367, 92253), (4011, 54441), (4347, 50233), (4393, 49707), (5157, 42343), (5523, 39537), (6049, 36099), (7101, 30751), (12033, 18147), (13179, 16569)]