81495585

素因数分解:

$3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2861}}^1$

素因数の和:3086

約数の個数: 32

約数和(自身を含む): 145618560

約数和(自身を除く): 64122975

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211, 633, 1055, 1899, 2861, 3165, 5697, 8583, 9495, 14305, 25749, 28485, 42915, 77247, 128745, 386235, 603671, 1811013, 3018355, 5433039, 9055065, 16299117, 27165195, 81495585]

約数ペア:

[(1, 81495585), (3, 27165195), (5, 16299117), (9, 9055065), (15, 5433039), (27, 3018355), (45, 1811013), (135, 603671), (211, 386235), (633, 128745), (1055, 77247), (1899, 42915), (2861, 28485), (3165, 25749), (5697, 14305), (8583, 9495)]