281987514

素因数分解:

$2^1\times 3^3\times {\mathrm{223}}^1\times {\mathrm{23417}}^1$

素因数の和:23651

約数の個数: 32

約数和(自身を含む): 629475840

約数和(自身を除く): 347488326

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 223, 446, 669, 1338, 2007, 4014, 6021, 12042, 23417, 46834, 70251, 140502, 210753, 421506, 632259, 1264518, 5221991, 10443982, 15665973, 31331946, 46997919, 93995838, 140993757, 281987514]

約数ペア:

[(1, 281987514), (2, 140993757), (3, 93995838), (6, 46997919), (9, 31331946), (18, 15665973), (27, 10443982), (54, 5221991), (223, 1264518), (446, 632259), (669, 421506), (1338, 210753), (2007, 140502), (4014, 70251), (6021, 46834), (12042, 23417)]