218609853

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 368739840

約数和(自身を除く): 150129987

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 227, 231, 363, 379, 681, 847, 1137, 1589, 2497, 2541, 2653, 4169, 4767, 7491, 7959, 12507, 17479, 27467, 29183, 45859, 52437, 82401, 86033, 87549, 137577, 192269, 258099, 321013, 576807, 602231, 946363, 963039, 1806693, 2839089, 6624541, 10409993, 19873623, 31229979, 72869951, 218609853]

約数ペア:

[(1, 218609853), (3, 72869951), (7, 31229979), (11, 19873623), (21, 10409993), (33, 6624541), (77, 2839089), (121, 1806693), (227, 963039), (231, 946363), (363, 602231), (379, 576807), (681, 321013), (847, 258099), (1137, 192269), (1589, 137577), (2497, 87549), (2541, 86033), (2653, 82401), (4169, 52437), (4767, 45859), (7491, 29183), (7959, 27467), (12507, 17479)]