80925885

素因数分解:

$3^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{947}}^1$

素因数の和:1175

約数の個数: 40

約数和(自身を含む): 145908576

約数和(自身を除く): 64982691

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 211, 405, 633, 947, 1055, 1899, 2841, 3165, 4735, 5697, 8523, 9495, 14205, 17091, 25569, 28485, 42615, 76707, 85455, 127845, 199817, 383535, 599451, 999085, 1798353, 2997255, 5395059, 8991765, 16185177, 26975295, 80925885]

約数ペア:

[(1, 80925885), (3, 26975295), (5, 16185177), (9, 8991765), (15, 5395059), (27, 2997255), (45, 1798353), (81, 999085), (135, 599451), (211, 383535), (405, 199817), (633, 127845), (947, 85455), (1055, 76707), (1899, 42615), (2841, 28485), (3165, 25569), (4735, 17091), (5697, 14205), (8523, 9495)]