9391221

素因数分解:

$3^5\times 7^1\times {\mathrm{5521}}^1$

素因数の和:5543

約数の個数: 24

約数和(自身を含む): 16080064

約数和(自身を除く): 6688843

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 5521, 16563, 38647, 49689, 115941, 149067, 347823, 447201, 1043469, 1341603, 3130407, 9391221]

約数ペア:

[(1, 9391221), (3, 3130407), (7, 1341603), (9, 1043469), (21, 447201), (27, 347823), (63, 149067), (81, 115941), (189, 49689), (243, 38647), (567, 16563), (1701, 5521)]