1561329

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{751}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 2887680

約数和(自身を除く): 1326351

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 751, 2079, 2253, 5257, 6759, 8261, 15771, 20277, 24783, 47313, 57827, 74349, 141939, 173481, 223047, 520443, 1561329]

約数ペア:

[(1, 1561329), (3, 520443), (7, 223047), (9, 173481), (11, 141939), (21, 74349), (27, 57827), (33, 47313), (63, 24783), (77, 20277), (99, 15771), (189, 8261), (231, 6759), (297, 5257), (693, 2253), (751, 2079)]