251779965

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{2713}}^1$

素因数の和:3013

約数の個数: 32

約数和(自身を含む): 422081280

約数和(自身を除く): 170301315

約数列:

[1, 3, 5, 15, 23, 69, 115, 269, 345, 807, 1345, 2713, 4035, 6187, 8139, 13565, 18561, 30935, 40695, 62399, 92805, 187197, 311995, 729797, 935985, 2189391, 3648985, 10946955, 16785331, 50355993, 83926655, 251779965]

約数ペア:

[(1, 251779965), (3, 83926655), (5, 50355993), (15, 16785331), (23, 10946955), (69, 3648985), (115, 2189391), (269, 935985), (345, 729797), (807, 311995), (1345, 187197), (2713, 92805), (4035, 62399), (6187, 40695), (8139, 30935), (13565, 18561)]