648330885

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21929}}^1$

素因数の和:22019

約数の個数: 40

約数和(自身を含む): 1178167320

約数和(自身を除く): 529836435

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 657, 1095, 1971, 3285, 5913, 9855, 21929, 29565, 65787, 109645, 197361, 328935, 592083, 986805, 1600817, 1776249, 2960415, 4802451, 8004085, 8881245, 14407353, 24012255, 43222059, 72036765, 129666177, 216110295, 648330885]

約数ペア:

[(1, 648330885), (3, 216110295), (5, 129666177), (9, 72036765), (15, 43222059), (27, 24012255), (45, 14407353), (73, 8881245), (81, 8004085), (135, 4802451), (219, 2960415), (365, 1776249), (405, 1600817), (657, 986805), (1095, 592083), (1971, 328935), (3285, 197361), (5913, 109645), (9855, 65787), (21929, 29565)]