16990695

素因数分解:

$3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1132

約数の個数: 32

約数和(自身を含む): 30474240

約数和(自身を除く): 13483545

約数列:

[1, 3, 5, 9, 15, 27, 45, 127, 135, 381, 635, 991, 1143, 1905, 2973, 3429, 4955, 5715, 8919, 14865, 17145, 26757, 44595, 125857, 133785, 377571, 629285, 1132713, 1887855, 3398139, 5663565, 16990695]

約数ペア:

[(1, 16990695), (3, 5663565), (5, 3398139), (9, 1887855), (15, 1132713), (27, 629285), (45, 377571), (127, 133785), (135, 125857), (381, 44595), (635, 26757), (991, 17145), (1143, 14865), (1905, 8919), (2973, 5715), (3429, 4955)]