279977919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 445132800

約数和(自身を除く): 165154881

約数列:

[1, 3, 13, 23, 29, 39, 47, 69, 87, 141, 229, 299, 377, 611, 667, 687, 897, 1081, 1131, 1363, 1833, 2001, 2977, 3243, 4089, 5267, 6641, 8671, 8931, 10763, 14053, 15801, 17719, 19923, 26013, 31349, 32289, 42159, 53157, 68471, 86333, 94047, 139919, 152743, 205413, 247549, 258999, 312127, 407537, 419757, 458229, 742647, 936381, 1222611, 1985659, 3218137, 4057651, 5956977, 7178921, 9654411, 12172953, 21536763, 93325973, 279977919]

約数ペア:

[(1, 279977919), (3, 93325973), (13, 21536763), (23, 12172953), (29, 9654411), (39, 7178921), (47, 5956977), (69, 4057651), (87, 3218137), (141, 1985659), (229, 1222611), (299, 936381), (377, 742647), (611, 458229), (667, 419757), (687, 407537), (897, 312127), (1081, 258999), (1131, 247549), (1363, 205413), (1833, 152743), (2001, 139919), (2977, 94047), (3243, 86333), (4089, 68471), (5267, 53157), (6641, 42159), (8671, 32289), (8931, 31349), (10763, 26013), (14053, 19923), (15801, 17719)]