17870391

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 32617728

約数和(自身を除く): 14747337

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 107, 231, 241, 321, 693, 723, 749, 963, 1177, 1687, 2169, 2247, 2651, 3531, 5061, 6741, 7953, 8239, 10593, 15183, 18557, 23859, 24717, 25787, 55671, 74151, 77361, 167013, 180509, 232083, 283657, 541527, 850971, 1624581, 1985599, 2552913, 5956797, 17870391]

約数ペア:

[(1, 17870391), (3, 5956797), (7, 2552913), (9, 1985599), (11, 1624581), (21, 850971), (33, 541527), (63, 283657), (77, 232083), (99, 180509), (107, 167013), (231, 77361), (241, 74151), (321, 55671), (693, 25787), (723, 24717), (749, 23859), (963, 18557), (1177, 15183), (1687, 10593), (2169, 8239), (2247, 7953), (2651, 6741), (3531, 5061)]