278092413

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{4003}}^1$

素因数の和:4126

約数の個数: 32

約数和(自身を含む): 430510080

約数和(自身を除く): 152417667

約数列:

[1, 3, 9, 27, 31, 83, 93, 249, 279, 747, 837, 2241, 2573, 4003, 7719, 12009, 23157, 36027, 69471, 108081, 124093, 332249, 372279, 996747, 1116837, 2990241, 3350511, 8970723, 10299719, 30899157, 92697471, 278092413]

約数ペア:

[(1, 278092413), (3, 92697471), (9, 30899157), (27, 10299719), (31, 8970723), (83, 3350511), (93, 2990241), (249, 1116837), (279, 996747), (747, 372279), (837, 332249), (2241, 124093), (2573, 108081), (4003, 69471), (7719, 36027), (12009, 23157)]