38172789

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:367

約数の個数: 40

約数和(自身を含む): 60031488

約数和(自身を除く): 21858699

約数列:

[1, 3, 9, 27, 37, 47, 81, 111, 141, 271, 333, 423, 813, 999, 1269, 1739, 2439, 2997, 3807, 5217, 7317, 10027, 12737, 15651, 21951, 30081, 38211, 46953, 90243, 114633, 140859, 270729, 343899, 471269, 812187, 1031697, 1413807, 4241421, 12724263, 38172789]

約数ペア:

[(1, 38172789), (3, 12724263), (9, 4241421), (27, 1413807), (37, 1031697), (47, 812187), (81, 471269), (111, 343899), (141, 270729), (271, 140859), (333, 114633), (423, 90243), (813, 46953), (999, 38211), (1269, 30081), (1739, 21951), (2439, 15651), (2997, 12737), (3807, 10027), (5217, 7317)]