128839305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{2459}}^1$

素因数の和:2973

約数の個数: 32

約数和(自身を含む): 236160000

約数和(自身を除く): 107320695

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 499, 1497, 2459, 2495, 3493, 7377, 7485, 10479, 12295, 17213, 17465, 36885, 51639, 52395, 86065, 258195, 1227041, 3681123, 6135205, 8589287, 18405615, 25767861, 42946435, 128839305]

約数ペア:

[(1, 128839305), (3, 42946435), (5, 25767861), (7, 18405615), (15, 8589287), (21, 6135205), (35, 3681123), (105, 1227041), (499, 258195), (1497, 86065), (2459, 52395), (2495, 51639), (3493, 36885), (7377, 17465), (7485, 17213), (10479, 12295)]