40420821

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1579}}^1$

素因数の和:1665

約数の個数: 32

約数和(自身を含む): 65525760

約数和(自身を除く): 25104939

約数列:

[1, 3, 7, 21, 23, 53, 69, 159, 161, 371, 483, 1113, 1219, 1579, 3657, 4737, 8533, 11053, 25599, 33159, 36317, 83687, 108951, 251061, 254219, 585809, 762657, 1757427, 1924801, 5774403, 13473607, 40420821]

約数ペア:

[(1, 40420821), (3, 13473607), (7, 5774403), (21, 1924801), (23, 1757427), (53, 762657), (69, 585809), (159, 254219), (161, 251061), (371, 108951), (483, 83687), (1113, 36317), (1219, 33159), (1579, 25599), (3657, 11053), (4737, 8533)]