705431985

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{7243}}^1$

素因数の和:7445

約数の個数: 32

約数和(自身を含む): 1162748928

約数和(自身を除く): 457316943

約数列:

[1, 3, 5, 15, 43, 129, 151, 215, 453, 645, 755, 2265, 6493, 7243, 19479, 21729, 32465, 36215, 97395, 108645, 311449, 934347, 1093693, 1557245, 3281079, 4671735, 5468465, 16405395, 47028799, 141086397, 235143995, 705431985]

約数ペア:

[(1, 705431985), (3, 235143995), (5, 141086397), (15, 47028799), (43, 16405395), (129, 5468465), (151, 4671735), (215, 3281079), (453, 1557245), (645, 1093693), (755, 934347), (2265, 311449), (6493, 108645), (7243, 97395), (19479, 36215), (21729, 32465)]