386943975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1979}}^1$

素因数の和:2085

約数の個数: 72

約数和(自身を含む): 766022400

約数和(自身を除く): 379078425

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 79, 99, 165, 225, 237, 275, 395, 495, 711, 825, 869, 1185, 1975, 1979, 2475, 2607, 3555, 4345, 5925, 5937, 7821, 9895, 13035, 17775, 17811, 21725, 21769, 29685, 39105, 49475, 65175, 65307, 89055, 108845, 148425, 156341, 195525, 195921, 326535, 445275, 469023, 544225, 781705, 979605, 1407069, 1632675, 1719751, 2345115, 3908525, 4898025, 5159253, 7035345, 8598755, 11725575, 15477759, 25796265, 35176725, 42993775, 77388795, 128981325, 386943975]

約数ペア:

[(1, 386943975), (3, 128981325), (5, 77388795), (9, 42993775), (11, 35176725), (15, 25796265), (25, 15477759), (33, 11725575), (45, 8598755), (55, 7035345), (75, 5159253), (79, 4898025), (99, 3908525), (165, 2345115), (225, 1719751), (237, 1632675), (275, 1407069), (395, 979605), (495, 781705), (711, 544225), (825, 469023), (869, 445275), (1185, 326535), (1975, 195921), (1979, 195525), (2475, 156341), (2607, 148425), (3555, 108845), (4345, 89055), (5925, 65307), (5937, 65175), (7821, 49475), (9895, 39105), (13035, 29685), (17775, 21769), (17811, 21725)]