223990455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{21673}}^1$

素因数の和:21747

約数の個数: 32

約数和(自身を含む): 393253056

約数和(自身を除く): 169262601

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 159, 195, 265, 689, 795, 2067, 3445, 10335, 21673, 65019, 108365, 281749, 325095, 845247, 1148669, 1408745, 3446007, 4226235, 5743345, 14932697, 17230035, 44798091, 74663485, 223990455]

約数ペア:

[(1, 223990455), (3, 74663485), (5, 44798091), (13, 17230035), (15, 14932697), (39, 5743345), (53, 4226235), (65, 3446007), (159, 1408745), (195, 1148669), (265, 845247), (689, 325095), (795, 281749), (2067, 108365), (3445, 65019), (10335, 21673)]