213158169

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59359}}^1$

素因数の和:59394

約数の個数: 32

約数和(自身を含む): 379904000

約数和(自身を除く): 166745831

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 59359, 178077, 415513, 534231, 1127821, 1246539, 1602693, 3383463, 3739617, 7894747, 10150389, 11218851, 23684241, 30451167, 71052723, 213158169]

約数ペア:

[(1, 213158169), (3, 71052723), (7, 30451167), (9, 23684241), (19, 11218851), (21, 10150389), (27, 7894747), (57, 3739617), (63, 3383463), (133, 1602693), (171, 1246539), (189, 1127821), (399, 534231), (513, 415513), (1197, 178077), (3591, 59359)]