555930921

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{691}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 932140608

約数和(自身を除く): 376209687

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 421, 637, 691, 1263, 1911, 2073, 2947, 4837, 5473, 8841, 8983, 14511, 16419, 20629, 26949, 33859, 38311, 61887, 62881, 101577, 114933, 188643, 268177, 290911, 440167, 804531, 872733, 1320501, 2036377, 3781843, 6109131, 11345529, 14254639, 26472901, 42763917, 79418703, 185310307, 555930921]

約数ペア:

[(1, 555930921), (3, 185310307), (7, 79418703), (13, 42763917), (21, 26472901), (39, 14254639), (49, 11345529), (91, 6109131), (147, 3781843), (273, 2036377), (421, 1320501), (637, 872733), (691, 804531), (1263, 440167), (1911, 290911), (2073, 268177), (2947, 188643), (4837, 114933), (5473, 101577), (8841, 62881), (8983, 61887), (14511, 38311), (16419, 33859), (20629, 26949)]