25667025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 46122048

約数和(自身を除く): 20455023

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 85, 123, 205, 255, 425, 491, 615, 697, 1025, 1275, 1473, 2091, 2455, 3075, 3485, 7365, 8347, 10455, 12275, 17425, 20131, 25041, 36825, 41735, 52275, 60393, 100655, 125205, 208675, 301965, 342227, 503275, 626025, 1026681, 1509825, 1711135, 5133405, 8555675, 25667025]

約数ペア:

[(1, 25667025), (3, 8555675), (5, 5133405), (15, 1711135), (17, 1509825), (25, 1026681), (41, 626025), (51, 503275), (75, 342227), (85, 301965), (123, 208675), (205, 125205), (255, 100655), (425, 60393), (491, 52275), (615, 41735), (697, 36825), (1025, 25041), (1275, 20131), (1473, 17425), (2091, 12275), (2455, 10455), (3075, 8347), (3485, 7365)]