15550065

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 28394496

約数和(自身を除く): 12844431

約数列:

[1, 3, 5, 9, 15, 31, 45, 71, 93, 155, 157, 213, 279, 355, 465, 471, 639, 785, 1065, 1395, 1413, 2201, 2355, 3195, 4867, 6603, 7065, 11005, 11147, 14601, 19809, 24335, 33015, 33441, 43803, 55735, 73005, 99045, 100323, 167205, 219015, 345557, 501615, 1036671, 1727785, 3110013, 5183355, 15550065]

約数ペア:

[(1, 15550065), (3, 5183355), (5, 3110013), (9, 1727785), (15, 1036671), (31, 501615), (45, 345557), (71, 219015), (93, 167205), (155, 100323), (157, 99045), (213, 73005), (279, 55735), (355, 43803), (465, 33441), (471, 33015), (639, 24335), (785, 19809), (1065, 14601), (1395, 11147), (1413, 11005), (2201, 7065), (2355, 6603), (3195, 4867)]