1321567245

素因数分解:

$3^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{12697}}^1$

素因数の和:12971

約数の個数: 40

約数和(自身を含む): 2378436984

約数和(自身を除く): 1056869739

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 257, 405, 771, 1285, 2313, 3855, 6939, 11565, 12697, 20817, 34695, 38091, 63485, 104085, 114273, 190455, 342819, 571365, 1028457, 1714095, 3263129, 5142285, 9789387, 16315645, 29368161, 48946935, 88104483, 146840805, 264313449, 440522415, 1321567245]

約数ペア:

[(1, 1321567245), (3, 440522415), (5, 264313449), (9, 146840805), (15, 88104483), (27, 48946935), (45, 29368161), (81, 16315645), (135, 9789387), (257, 5142285), (405, 3263129), (771, 1714095), (1285, 1028457), (2313, 571365), (3855, 342819), (6939, 190455), (11565, 114273), (12697, 104085), (20817, 63485), (34695, 38091)]