2788305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 4892160

約数和(自身を除く): 2103855

約数列:

[1, 3, 5, 13, 15, 39, 65, 79, 181, 195, 237, 395, 543, 905, 1027, 1185, 2353, 2715, 3081, 5135, 7059, 11765, 14299, 15405, 35295, 42897, 71495, 185887, 214485, 557661, 929435, 2788305]

約数ペア:

[(1, 2788305), (3, 929435), (5, 557661), (13, 214485), (15, 185887), (39, 71495), (65, 42897), (79, 35295), (181, 15405), (195, 14299), (237, 11765), (395, 7059), (543, 5135), (905, 3081), (1027, 2715), (1185, 2353)]