28783887

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 43330560

約数和(自身を除く): 14546673

約数列:

[1, 3, 11, 33, 61, 79, 181, 183, 237, 543, 671, 869, 1991, 2013, 2607, 4819, 5973, 11041, 14299, 14457, 33123, 42897, 53009, 121451, 157289, 159027, 364353, 471867, 872239, 2616717, 9594629, 28783887]

約数ペア:

[(1, 28783887), (3, 9594629), (11, 2616717), (33, 872239), (61, 471867), (79, 364353), (181, 159027), (183, 157289), (237, 121451), (543, 53009), (671, 42897), (869, 33123), (1991, 14457), (2013, 14299), (2607, 11041), (4819, 5973)]