223896393

素因数分解:

$3^4\times 7^1\times {\mathrm{394879}}^1$

素因数の和:394898

約数の個数: 20

約数和(自身を含む): 382243840

約数和(自身を除く): 158347447

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 394879, 1184637, 2764153, 3553911, 8292459, 10661733, 24877377, 31985199, 74632131, 223896393]

約数ペア:

[(1, 223896393), (3, 74632131), (7, 31985199), (9, 24877377), (21, 10661733), (27, 8292459), (63, 3553911), (81, 2764153), (189, 1184637), (567, 394879)]