71440455

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 117135360

約数和(自身を除く): 45694905

約数列:

[1, 3, 5, 15, 61, 163, 183, 305, 479, 489, 815, 915, 1437, 2395, 2445, 7185, 9943, 29219, 29829, 49715, 78077, 87657, 146095, 149145, 234231, 390385, 438285, 1171155, 4762697, 14288091, 23813485, 71440455]

約数ペア:

[(1, 71440455), (3, 23813485), (5, 14288091), (15, 4762697), (61, 1171155), (163, 438285), (183, 390385), (305, 234231), (479, 149145), (489, 146095), (815, 87657), (915, 78077), (1437, 49715), (2395, 29829), (2445, 29219), (7185, 9943)]