81535797

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 140894208

約数和(自身を除く): 59358411

約数列:

[1, 3, 7, 9, 21, 31, 63, 83, 93, 217, 249, 279, 503, 581, 651, 747, 1509, 1743, 1953, 2573, 3521, 4527, 5229, 7719, 10563, 15593, 18011, 23157, 31689, 41749, 46779, 54033, 109151, 125247, 140337, 162099, 292243, 327453, 375741, 876729, 982359, 1294219, 2630187, 3882657, 9059533, 11647971, 27178599, 81535797]

約数ペア:

[(1, 81535797), (3, 27178599), (7, 11647971), (9, 9059533), (21, 3882657), (31, 2630187), (63, 1294219), (83, 982359), (93, 876729), (217, 375741), (249, 327453), (279, 292243), (503, 162099), (581, 140337), (651, 125247), (747, 109151), (1509, 54033), (1743, 46779), (1953, 41749), (2573, 31689), (3521, 23157), (4527, 18011), (5229, 15593), (7719, 10563)]