818320347

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4729}}^1$

素因数の和:4797

約数の個数: 64

約数和(自身を含む): 1430352000

約数和(自身を除く): 612031653

約数列:

[1, 3, 9, 13, 17, 27, 29, 39, 51, 87, 117, 153, 221, 261, 351, 377, 459, 493, 663, 783, 1131, 1479, 1989, 3393, 4437, 4729, 5967, 6409, 10179, 13311, 14187, 19227, 42561, 57681, 61477, 80393, 127683, 137141, 173043, 184431, 241179, 411423, 553293, 723537, 1045109, 1234269, 1659879, 1782833, 2170611, 2331397, 3135327, 3702807, 5348499, 6994191, 9405981, 16045497, 20982573, 28217943, 30308161, 48136491, 62947719, 90924483, 272773449, 818320347]

約数ペア:

[(1, 818320347), (3, 272773449), (9, 90924483), (13, 62947719), (17, 48136491), (27, 30308161), (29, 28217943), (39, 20982573), (51, 16045497), (87, 9405981), (117, 6994191), (153, 5348499), (221, 3702807), (261, 3135327), (351, 2331397), (377, 2170611), (459, 1782833), (493, 1659879), (663, 1234269), (783, 1045109), (1131, 723537), (1479, 553293), (1989, 411423), (3393, 241179), (4437, 184431), (4729, 173043), (5967, 137141), (6409, 127683), (10179, 80393), (13311, 61477), (14187, 57681), (19227, 42561)]