639402585

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{35851}}^1$

素因数の和:35929

約数の個数: 32

約数和(自身を含む): 1084164480

約数和(自身を除く): 444761895

約数列:

[1, 3, 5, 15, 29, 41, 87, 123, 145, 205, 435, 615, 1189, 3567, 5945, 17835, 35851, 107553, 179255, 537765, 1039679, 1469891, 3119037, 4409673, 5198395, 7349455, 15595185, 22048365, 42626839, 127880517, 213134195, 639402585]

約数ペア:

[(1, 639402585), (3, 213134195), (5, 127880517), (15, 42626839), (29, 22048365), (41, 15595185), (87, 7349455), (123, 5198395), (145, 4409673), (205, 3119037), (435, 1469891), (615, 1039679), (1189, 537765), (3567, 179255), (5945, 107553), (17835, 35851)]