2581398963

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{74287}}^1$

素因数の和:74326

約数の個数: 48

約数和(自身を含む): 4542859776

約数和(自身を除く): 1961460813

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 243, 297, 351, 429, 891, 1053, 1287, 2673, 3159, 3861, 11583, 34749, 74287, 222861, 668583, 817157, 965731, 2005749, 2451471, 2897193, 6017247, 7354413, 8691579, 10623041, 18051741, 22063239, 26074737, 31869123, 66189717, 78224211, 95607369, 198569151, 234672633, 286822107, 860466321, 2581398963]

約数ペア:

[(1, 2581398963), (3, 860466321), (9, 286822107), (11, 234672633), (13, 198569151), (27, 95607369), (33, 78224211), (39, 66189717), (81, 31869123), (99, 26074737), (117, 22063239), (143, 18051741), (243, 10623041), (297, 8691579), (351, 7354413), (429, 6017247), (891, 2897193), (1053, 2451471), (1287, 2005749), (2673, 965731), (3159, 817157), (3861, 668583), (11583, 222861), (34749, 74287)]