201000255

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 326592000

約数和(自身を除く): 125591745

約数列:

[1, 3, 5, 15, 139, 149, 417, 447, 647, 695, 745, 1941, 2085, 2235, 3235, 9705, 20711, 62133, 89933, 96403, 103555, 269799, 289209, 310665, 449665, 482015, 1348995, 1446045, 13400017, 40200051, 67000085, 201000255]

約数ペア:

[(1, 201000255), (3, 67000085), (5, 40200051), (15, 13400017), (139, 1446045), (149, 1348995), (417, 482015), (447, 449665), (647, 310665), (695, 289209), (745, 269799), (1941, 103555), (2085, 96403), (2235, 89933), (3235, 62133), (9705, 20711)]