28635945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 24586455

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 59, 65, 95, 131, 177, 195, 247, 285, 295, 393, 655, 741, 767, 885, 1121, 1235, 1703, 1965, 2301, 2489, 3363, 3705, 3835, 5109, 5605, 7467, 7729, 8515, 11505, 12445, 14573, 16815, 23187, 25545, 32357, 37335, 38645, 43719, 72865, 97071, 100477, 115935, 146851, 161785, 218595, 301431, 440553, 485355, 502385, 734255, 1507155, 1909063, 2202765, 5727189, 9545315, 28635945]

約数ペア:

[(1, 28635945), (3, 9545315), (5, 5727189), (13, 2202765), (15, 1909063), (19, 1507155), (39, 734255), (57, 502385), (59, 485355), (65, 440553), (95, 301431), (131, 218595), (177, 161785), (195, 146851), (247, 115935), (285, 100477), (295, 97071), (393, 72865), (655, 43719), (741, 38645), (767, 37335), (885, 32357), (1121, 25545), (1235, 23187), (1703, 16815), (1965, 14573), (2301, 12445), (2489, 11505), (3363, 8515), (3705, 7729), (3835, 7467), (5109, 5605)]