280654473

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{1303}}^1$

素因数の和:1485

約数の個数: 32

約数和(自身を含む): 419116032

約数和(自身を除く): 138461559

約数列:

[1, 3, 11, 33, 61, 107, 183, 321, 671, 1177, 1303, 2013, 3531, 3909, 6527, 14333, 19581, 42999, 71797, 79483, 139421, 215391, 238449, 418263, 874313, 1533631, 2622939, 4600893, 8504681, 25514043, 93551491, 280654473]

約数ペア:

[(1, 280654473), (3, 93551491), (11, 25514043), (33, 8504681), (61, 4600893), (107, 2622939), (183, 1533631), (321, 874313), (671, 418263), (1177, 238449), (1303, 215391), (2013, 139421), (3531, 79483), (3909, 71797), (6527, 42999), (14333, 19581)]