348520137

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1\times {\mathrm{647}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 538970112

約数和(自身を除く): 190449975

約数列:

[1, 3, 7, 21, 113, 227, 339, 647, 681, 791, 1589, 1941, 2373, 4529, 4767, 13587, 25651, 73111, 76953, 146869, 179557, 219333, 440607, 511777, 538671, 1028083, 1535331, 3084249, 16596197, 49788591, 116173379, 348520137]

約数ペア:

[(1, 348520137), (3, 116173379), (7, 49788591), (21, 16596197), (113, 3084249), (227, 1535331), (339, 1028083), (647, 538671), (681, 511777), (791, 440607), (1589, 219333), (1941, 179557), (2373, 146869), (4529, 76953), (4767, 73111), (13587, 25651)]