206538585

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 376012800

約数和(自身を除く): 169474215

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 149, 155, 165, 271, 341, 447, 465, 745, 813, 1023, 1355, 1639, 1705, 2235, 2981, 4065, 4619, 4917, 5115, 8195, 8401, 8943, 13857, 14905, 23095, 24585, 25203, 40379, 42005, 44715, 50809, 69285, 92411, 121137, 126015, 152427, 201895, 254045, 277233, 444169, 462055, 605685, 762135, 1251749, 1332507, 1386165, 2220845, 3755247, 6258745, 6662535, 13769239, 18776235, 41307717, 68846195, 206538585]

約数ペア:

[(1, 206538585), (3, 68846195), (5, 41307717), (11, 18776235), (15, 13769239), (31, 6662535), (33, 6258745), (55, 3755247), (93, 2220845), (149, 1386165), (155, 1332507), (165, 1251749), (271, 762135), (341, 605685), (447, 462055), (465, 444169), (745, 277233), (813, 254045), (1023, 201895), (1355, 152427), (1639, 126015), (1705, 121137), (2235, 92411), (2981, 69285), (4065, 50809), (4619, 44715), (4917, 42005), (5115, 40379), (8195, 25203), (8401, 24585), (8943, 23095), (13857, 14905)]