68474655

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 124001280

約数和(自身を除く): 55526625

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 137, 145, 261, 383, 411, 435, 685, 1149, 1233, 1305, 1915, 2055, 3447, 3973, 5745, 6165, 11107, 11919, 17235, 19865, 33321, 35757, 52471, 55535, 59595, 99963, 157413, 166605, 178785, 262355, 472239, 499815, 787065, 1521659, 2361195, 4564977, 7608295, 13694931, 22824885, 68474655]

約数ペア:

[(1, 68474655), (3, 22824885), (5, 13694931), (9, 7608295), (15, 4564977), (29, 2361195), (45, 1521659), (87, 787065), (137, 499815), (145, 472239), (261, 262355), (383, 178785), (411, 166605), (435, 157413), (685, 99963), (1149, 59595), (1233, 55535), (1305, 52471), (1915, 35757), (2055, 33321), (3447, 19865), (3973, 17235), (5745, 11919), (6165, 11107)]