389365455

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{1823}}^1$

素因数の和:2351

約数の個数: 32

約数和(自身を含む): 646133760

約数和(自身を除く): 256768305

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 491, 1473, 1823, 2455, 5469, 7365, 9115, 14239, 27345, 42717, 52867, 71195, 158601, 213585, 264335, 793005, 895093, 2685279, 4475465, 13426395, 25957697, 77873091, 129788485, 389365455]

約数ペア:

[(1, 389365455), (3, 129788485), (5, 77873091), (15, 25957697), (29, 13426395), (87, 4475465), (145, 2685279), (435, 895093), (491, 793005), (1473, 264335), (1823, 213585), (2455, 158601), (5469, 71195), (7365, 52867), (9115, 42717), (14239, 27345)]