331359483

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{1279}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 554680320

約数和(自身を除く): 223320837

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 169, 219, 273, 507, 511, 949, 1183, 1279, 1533, 2847, 3549, 3837, 6643, 8953, 12337, 16627, 19929, 26859, 37011, 49881, 86359, 93367, 116389, 216151, 259077, 280101, 349167, 648453, 653569, 1213771, 1513057, 1960707, 3641313, 4539171, 8496397, 15779023, 25489191, 47337069, 110453161, 331359483]

約数ペア:

[(1, 331359483), (3, 110453161), (7, 47337069), (13, 25489191), (21, 15779023), (39, 8496397), (73, 4539171), (91, 3641313), (169, 1960707), (219, 1513057), (273, 1213771), (507, 653569), (511, 648453), (949, 349167), (1183, 280101), (1279, 259077), (1533, 216151), (2847, 116389), (3549, 93367), (3837, 86359), (6643, 49881), (8953, 37011), (12337, 26859), (16627, 19929)]