1285697745

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{4157}}^1$

素因数の和:4279

約数の個数: 64

約数和(自身を含む): 2395008000

約数和(自身を除く): 1109310255

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 79, 87, 135, 145, 237, 261, 395, 435, 711, 783, 1185, 1305, 2133, 2291, 3555, 3915, 4157, 6873, 10665, 11455, 12471, 20619, 20785, 34365, 37413, 61857, 62355, 103095, 112239, 120553, 187065, 309285, 328403, 361659, 561195, 602765, 985209, 1084977, 1642015, 1808295, 2955627, 3254931, 4926045, 5424885, 8866881, 9523687, 14778135, 16274655, 28571061, 44334405, 47618435, 85713183, 142855305, 257139549, 428565915, 1285697745]

約数ペア:

[(1, 1285697745), (3, 428565915), (5, 257139549), (9, 142855305), (15, 85713183), (27, 47618435), (29, 44334405), (45, 28571061), (79, 16274655), (87, 14778135), (135, 9523687), (145, 8866881), (237, 5424885), (261, 4926045), (395, 3254931), (435, 2955627), (711, 1808295), (783, 1642015), (1185, 1084977), (1305, 985209), (2133, 602765), (2291, 561195), (3555, 361659), (3915, 328403), (4157, 309285), (6873, 187065), (10665, 120553), (11455, 112239), (12471, 103095), (20619, 62355), (20785, 61857), (34365, 37413)]