256091895

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{65413}}^1$

素因数の和:65456

約数の個数: 32

約数和(自身を含む): 470980800

約数和(自身を除く): 214888905

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 65413, 196239, 327065, 588717, 981195, 1766151, 1896977, 2943585, 5690931, 8830755, 9484885, 17072793, 28454655, 51218379, 85363965, 256091895]

約数ペア:

[(1, 256091895), (3, 85363965), (5, 51218379), (9, 28454655), (15, 17072793), (27, 9484885), (29, 8830755), (45, 5690931), (87, 2943585), (135, 1896977), (145, 1766151), (261, 981195), (435, 588717), (783, 327065), (1305, 196239), (3915, 65413)]