7991025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 15618048

約数和(自身を除く): 7627023

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 75, 93, 105, 155, 175, 217, 465, 491, 525, 651, 775, 1085, 1473, 2325, 2455, 3255, 3437, 5425, 7365, 10311, 12275, 15221, 16275, 17185, 36825, 45663, 51555, 76105, 85925, 106547, 228315, 257775, 319641, 380525, 532735, 1141575, 1598205, 2663675, 7991025]

約数ペア:

[(1, 7991025), (3, 2663675), (5, 1598205), (7, 1141575), (15, 532735), (21, 380525), (25, 319641), (31, 257775), (35, 228315), (75, 106547), (93, 85925), (105, 76105), (155, 51555), (175, 45663), (217, 36825), (465, 17185), (491, 16275), (525, 15221), (651, 12275), (775, 10311), (1085, 7365), (1473, 5425), (2325, 3437), (2455, 3255)]