81298455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26699}}^1$

素因数の和:26743

約数の個数: 32

約数和(自身を含む): 153792000

約数和(自身を除く): 72493545

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 26699, 80097, 133495, 186893, 400485, 560679, 774271, 934465, 2322813, 2803395, 3871355, 5419897, 11614065, 16259691, 27099485, 81298455]

約数ペア:

[(1, 81298455), (3, 27099485), (5, 16259691), (7, 11614065), (15, 5419897), (21, 3871355), (29, 2803395), (35, 2322813), (87, 934465), (105, 774271), (145, 560679), (203, 400485), (435, 186893), (609, 133495), (1015, 80097), (3045, 26699)]