258530139

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67273}}^1$

素因数の和:67347

約数の個数: 24

約数和(自身を含む): 433782752

約数和(自身を除く): 175252613

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 67273, 201819, 470911, 605457, 1412733, 4103653, 4238199, 12310959, 28725571, 36932877, 86176713, 258530139]

約数ペア:

[(1, 258530139), (3, 86176713), (7, 36932877), (9, 28725571), (21, 12310959), (61, 4238199), (63, 4103653), (183, 1412733), (427, 605457), (549, 470911), (1281, 201819), (3843, 67273)]