80820855

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 149184000

約数和(自身を除く): 68363145

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 73, 135, 139, 177, 219, 295, 365, 417, 531, 657, 695, 885, 1095, 1251, 1593, 1971, 2085, 2655, 3285, 3753, 4307, 6255, 7965, 8201, 9855, 10147, 12921, 18765, 21535, 24603, 30441, 38763, 41005, 50735, 64605, 73809, 91323, 116289, 123015, 152205, 193815, 221427, 273969, 369045, 456615, 581445, 598673, 1107135, 1369845, 1796019, 2993365, 5388057, 8980095, 16164171, 26940285, 80820855]

約数ペア:

[(1, 80820855), (3, 26940285), (5, 16164171), (9, 8980095), (15, 5388057), (27, 2993365), (45, 1796019), (59, 1369845), (73, 1107135), (135, 598673), (139, 581445), (177, 456615), (219, 369045), (295, 273969), (365, 221427), (417, 193815), (531, 152205), (657, 123015), (695, 116289), (885, 91323), (1095, 73809), (1251, 64605), (1593, 50735), (1971, 41005), (2085, 38763), (2655, 30441), (3285, 24603), (3753, 21535), (4307, 18765), (6255, 12921), (7965, 10147), (8201, 9855)]