321875385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 571656960

約数和(自身を除く): 249781575

約数列:

[1, 3, 5, 13, 15, 39, 59, 65, 101, 177, 195, 277, 295, 303, 505, 767, 831, 885, 1313, 1385, 1515, 2301, 3601, 3835, 3939, 4155, 5959, 6565, 10803, 11505, 16343, 17877, 18005, 19695, 27977, 29795, 49029, 54015, 77467, 81715, 83931, 89385, 139885, 212459, 232401, 245145, 363701, 387335, 419655, 637377, 1062295, 1091103, 1162005, 1650643, 1818505, 3186885, 4951929, 5455515, 8253215, 21458359, 24759645, 64375077, 107291795, 321875385]

約数ペア:

[(1, 321875385), (3, 107291795), (5, 64375077), (13, 24759645), (15, 21458359), (39, 8253215), (59, 5455515), (65, 4951929), (101, 3186885), (177, 1818505), (195, 1650643), (277, 1162005), (295, 1091103), (303, 1062295), (505, 637377), (767, 419655), (831, 387335), (885, 363701), (1313, 245145), (1385, 232401), (1515, 212459), (2301, 139885), (3601, 89385), (3835, 83931), (3939, 81715), (4155, 77467), (5959, 54015), (6565, 49029), (10803, 29795), (11505, 27977), (16343, 19695), (17877, 18005)]