28839519

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:599

約数の個数: 24

約数和(自身を含む): 42769584

約数和(自身を除く): 13930065

約数列:

[1, 3, 9, 61, 131, 183, 393, 401, 549, 1179, 1203, 3609, 7991, 23973, 24461, 52531, 71919, 73383, 157593, 220149, 472779, 3204391, 9613173, 28839519]

約数ペア:

[(1, 28839519), (3, 9613173), (9, 3204391), (61, 472779), (131, 220149), (183, 157593), (393, 73383), (401, 71919), (549, 52531), (1179, 24461), (1203, 23973), (3609, 7991)]