209663295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{5237}}^1$

素因数の和:5419

約数の個数: 32

約数和(自身を含む): 357524928

約数和(自身を除く): 147861633

約数列:

[1, 3, 5, 15, 17, 51, 85, 157, 255, 471, 785, 2355, 2669, 5237, 8007, 13345, 15711, 26185, 40035, 78555, 89029, 267087, 445145, 822209, 1335435, 2466627, 4111045, 12333135, 13977553, 41932659, 69887765, 209663295]

約数ペア:

[(1, 209663295), (3, 69887765), (5, 41932659), (15, 13977553), (17, 12333135), (51, 4111045), (85, 2466627), (157, 1335435), (255, 822209), (471, 445145), (785, 267087), (2355, 89029), (2669, 78555), (5237, 40035), (8007, 26185), (13345, 15711)]