1812123

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 2779920

約数和(自身を除く): 967797

約数列:

[1, 3, 9, 29, 53, 87, 131, 159, 261, 393, 477, 1179, 1537, 3799, 4611, 6943, 11397, 13833, 20829, 34191, 62487, 201347, 604041, 1812123]

約数ペア:

[(1, 1812123), (3, 604041), (9, 201347), (29, 62487), (53, 34191), (87, 20829), (131, 13833), (159, 11397), (261, 6943), (393, 4611), (477, 3799), (1179, 1537)]