9721901

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1091}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 11880960

約数和(自身を除く): 2159059

約数列:

[1, 7, 19, 67, 133, 469, 1091, 1273, 7637, 8911, 20729, 73097, 145103, 511679, 1388843, 9721901]

約数ペア:

[(1, 9721901), (7, 1388843), (19, 511679), (67, 145103), (133, 73097), (469, 20729), (1091, 8911), (1273, 7637)]