204800565

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1867}}^1$

素因数の和:2049

約数の個数: 32

約数和(自身を含む): 335702016

約数和(自身を除く): 130901451

約数列:

[1, 3, 5, 15, 71, 103, 213, 309, 355, 515, 1065, 1545, 1867, 5601, 7313, 9335, 21939, 28005, 36565, 109695, 132557, 192301, 397671, 576903, 662785, 961505, 1988355, 2884515, 13653371, 40960113, 68266855, 204800565]

約数ペア:

[(1, 204800565), (3, 68266855), (5, 40960113), (15, 13653371), (71, 2884515), (103, 1988355), (213, 961505), (309, 662785), (355, 576903), (515, 397671), (1065, 192301), (1545, 132557), (1867, 109695), (5601, 36565), (7313, 28005), (9335, 21939)]