163620723

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 266858496

約数和(自身を除く): 103237773

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 191, 339, 361, 399, 573, 791, 1083, 1337, 2147, 2373, 2527, 3629, 4011, 6441, 7581, 10887, 15029, 21583, 25403, 40793, 45087, 64749, 68951, 76209, 122379, 151081, 206853, 285551, 410077, 453243, 482657, 856653, 1230231, 1447971, 2870539, 7791463, 8611617, 23374389, 54540241, 163620723]

約数ペア:

[(1, 163620723), (3, 54540241), (7, 23374389), (19, 8611617), (21, 7791463), (57, 2870539), (113, 1447971), (133, 1230231), (191, 856653), (339, 482657), (361, 453243), (399, 410077), (573, 285551), (791, 206853), (1083, 151081), (1337, 122379), (2147, 76209), (2373, 68951), (2527, 64749), (3629, 45087), (4011, 40793), (6441, 25403), (7581, 21583), (10887, 15029)]