4218921

素因数分解:

$3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{401}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 7023744

約数和(自身を除く): 2804823

約数列:

[1, 3, 7, 9, 21, 63, 167, 401, 501, 1169, 1203, 1503, 2807, 3507, 3609, 8421, 10521, 25263, 66967, 200901, 468769, 602703, 1406307, 4218921]

約数ペア:

[(1, 4218921), (3, 1406307), (7, 602703), (9, 468769), (21, 200901), (63, 66967), (167, 25263), (401, 10521), (501, 8421), (1169, 3609), (1203, 3507), (1503, 2807)]