21823275

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 37997568

約数和(自身を除く): 16174293

約数列:

[1, 3, 5, 15, 25, 41, 47, 75, 123, 141, 151, 205, 235, 453, 615, 705, 755, 1025, 1175, 1927, 2265, 3075, 3525, 3775, 5781, 6191, 7097, 9635, 11325, 18573, 21291, 28905, 30955, 35485, 48175, 92865, 106455, 144525, 154775, 177425, 290977, 464325, 532275, 872931, 1454885, 4364655, 7274425, 21823275]

約数ペア:

[(1, 21823275), (3, 7274425), (5, 4364655), (15, 1454885), (25, 872931), (41, 532275), (47, 464325), (75, 290977), (123, 177425), (141, 154775), (151, 144525), (205, 106455), (235, 92865), (453, 48175), (615, 35485), (705, 30955), (755, 28905), (1025, 21291), (1175, 18573), (1927, 11325), (2265, 9635), (3075, 7097), (3525, 6191), (3775, 5781)]