12780537

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 21617664

約数和(自身を除く): 8837127

約数列:

[1, 3, 7, 11, 21, 33, 61, 77, 183, 231, 427, 671, 907, 1281, 2013, 2721, 4697, 6349, 9977, 14091, 19047, 29931, 55327, 69839, 165981, 209517, 387289, 608597, 1161867, 1825791, 4260179, 12780537]

約数ペア:

[(1, 12780537), (3, 4260179), (7, 1825791), (11, 1161867), (21, 608597), (33, 387289), (61, 209517), (77, 165981), (183, 69839), (231, 55327), (427, 29931), (671, 19047), (907, 14091), (1281, 9977), (2013, 6349), (2721, 4697)]