690864015

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1\times {\mathrm{1361}}^1$

素因数の和:2199

約数の個数: 32

約数和(自身を含む): 1133358336

約数和(自身を除く): 442494321

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 787, 1361, 2361, 3935, 4083, 6805, 11805, 20415, 33841, 58523, 101523, 169205, 175569, 292615, 507615, 877845, 1071107, 3213321, 5355535, 16066605, 46057601, 138172803, 230288005, 690864015]

約数ペア:

[(1, 690864015), (3, 230288005), (5, 138172803), (15, 46057601), (43, 16066605), (129, 5355535), (215, 3213321), (645, 1071107), (787, 877845), (1361, 507615), (2361, 292615), (3935, 175569), (4083, 169205), (6805, 101523), (11805, 58523), (20415, 33841)]