13402881

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 20889600

約数和(自身を除く): 7486719

約数列:

[1, 3, 9, 27, 31, 67, 93, 201, 239, 279, 603, 717, 837, 1809, 2077, 2151, 6231, 6453, 7409, 16013, 18693, 22227, 48039, 56079, 66681, 144117, 200043, 432351, 496403, 1489209, 4467627, 13402881]

約数ペア:

[(1, 13402881), (3, 4467627), (9, 1489209), (27, 496403), (31, 432351), (67, 200043), (93, 144117), (201, 66681), (239, 56079), (279, 48039), (603, 22227), (717, 18693), (837, 16013), (1809, 7409), (2077, 6453), (2151, 6231)]