890097975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1759}}^1$

素因数の和:1961

約数の個数: 72

約数和(自身を含む): 1727806080

約数和(自身を除く): 837708105

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 173, 195, 225, 325, 519, 585, 865, 975, 1557, 1759, 2249, 2595, 2925, 4325, 5277, 6747, 7785, 8795, 11245, 12975, 15831, 20241, 22867, 26385, 33735, 38925, 43975, 56225, 68601, 79155, 101205, 114335, 131925, 168675, 205803, 304307, 343005, 395775, 506025, 571675, 912921, 1029015, 1521535, 1715025, 2738763, 3955991, 4564605, 5145075, 7607675, 11867973, 13693815, 19779955, 22823025, 35603919, 59339865, 68469075, 98899775, 178019595, 296699325, 890097975]

約数ペア:

[(1, 890097975), (3, 296699325), (5, 178019595), (9, 98899775), (13, 68469075), (15, 59339865), (25, 35603919), (39, 22823025), (45, 19779955), (65, 13693815), (75, 11867973), (117, 7607675), (173, 5145075), (195, 4564605), (225, 3955991), (325, 2738763), (519, 1715025), (585, 1521535), (865, 1029015), (975, 912921), (1557, 571675), (1759, 506025), (2249, 395775), (2595, 343005), (2925, 304307), (4325, 205803), (5277, 168675), (6747, 131925), (7785, 114335), (8795, 101205), (11245, 79155), (12975, 68601), (15831, 56225), (20241, 43975), (22867, 38925), (26385, 33735)]