201825819

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3499}}^1$

素因数の和:3564

約数の個数: 48

約数和(自身を含む): 343980000

約数和(自身を除く): 142154181

約数列:

[1, 3, 9, 13, 17, 29, 39, 51, 87, 117, 153, 221, 261, 377, 493, 663, 1131, 1479, 1989, 3393, 3499, 4437, 6409, 10497, 19227, 31491, 45487, 57681, 59483, 101471, 136461, 178449, 304413, 409383, 535347, 773279, 913239, 1319123, 1725007, 2319837, 3957369, 5175021, 6959511, 11872107, 15525063, 22425091, 67275273, 201825819]

約数ペア:

[(1, 201825819), (3, 67275273), (9, 22425091), (13, 15525063), (17, 11872107), (29, 6959511), (39, 5175021), (51, 3957369), (87, 2319837), (117, 1725007), (153, 1319123), (221, 913239), (261, 773279), (377, 535347), (493, 409383), (663, 304413), (1131, 178449), (1479, 136461), (1989, 101471), (3393, 59483), (3499, 57681), (4437, 45487), (6409, 31491), (10497, 19227)]