313231359

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{16703}}^1$

素因数の和:16779

約数の個数: 32

約数和(自身を含む): 513146880

約数和(自身を除く): 199915521

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 2679, 6251, 16703, 18753, 50109, 116921, 317357, 350763, 785041, 952071, 2221499, 2355123, 5495287, 6664497, 14915779, 16485861, 44747337, 104410453, 313231359]

約数ペア:

[(1, 313231359), (3, 104410453), (7, 44747337), (19, 16485861), (21, 14915779), (47, 6664497), (57, 5495287), (133, 2355123), (141, 2221499), (329, 952071), (399, 785041), (893, 350763), (987, 317357), (2679, 116921), (6251, 50109), (16703, 18753)]