421288305

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{619}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 721769280

約数和(自身を除く): 300480975

約数列:

[1, 3, 5, 15, 17, 51, 85, 157, 255, 289, 471, 619, 785, 867, 1445, 1857, 2355, 2669, 3095, 4335, 8007, 9285, 10523, 13345, 31569, 40035, 45373, 52615, 97183, 136119, 157845, 178891, 226865, 291549, 485915, 536673, 680595, 894455, 1457745, 1652111, 2683365, 4956333, 8260555, 24781665, 28085887, 84257661, 140429435, 421288305]

約数ペア:

[(1, 421288305), (3, 140429435), (5, 84257661), (15, 28085887), (17, 24781665), (51, 8260555), (85, 4956333), (157, 2683365), (255, 1652111), (289, 1457745), (471, 894455), (619, 680595), (785, 536673), (867, 485915), (1445, 291549), (1857, 226865), (2355, 178891), (2669, 157845), (3095, 136119), (4335, 97183), (8007, 52615), (9285, 45373), (10523, 40035), (13345, 31569)]