201621021

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{1319}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 319334400

約数和(自身を除く): 117713379

約数列:

[1, 3, 7, 21, 29, 87, 203, 251, 609, 753, 1319, 1757, 3957, 5271, 7279, 9233, 21837, 27699, 38251, 50953, 114753, 152859, 267757, 331069, 803271, 993207, 2317483, 6952449, 9601001, 28803003, 67207007, 201621021]

約数ペア:

[(1, 201621021), (3, 67207007), (7, 28803003), (21, 9601001), (29, 6952449), (87, 2317483), (203, 993207), (251, 803271), (609, 331069), (753, 267757), (1319, 152859), (1757, 114753), (3957, 50953), (5271, 38251), (7279, 27699), (9233, 21837)]