72506421

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1861}}^1$

素因数の和:1923

約数の個数: 40

約数和(自身を含む): 119860664

約数和(自身を除く): 47354243

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 333, 351, 481, 999, 1053, 1443, 1861, 2997, 4329, 5583, 12987, 16749, 24193, 38961, 50247, 68857, 72579, 150741, 206571, 217737, 619713, 653211, 895141, 1859139, 1959633, 2685423, 5577417, 8056269, 24168807, 72506421]

約数ペア:

[(1, 72506421), (3, 24168807), (9, 8056269), (13, 5577417), (27, 2685423), (37, 1959633), (39, 1859139), (81, 895141), (111, 653211), (117, 619713), (333, 217737), (351, 206571), (481, 150741), (999, 72579), (1053, 68857), (1443, 50247), (1861, 38961), (2997, 24193), (4329, 16749), (5583, 12987)]