40807179

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3041}}^1$

素因数の和:3128

約数の個数: 32

約数和(自身を含む): 70087680

約数和(自身を除く): 29280501

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 3041, 4473, 9123, 13419, 21287, 27369, 63861, 82107, 191583, 215911, 574749, 647733, 1511377, 1943199, 4534131, 5829597, 13602393, 40807179]

約数ペア:

[(1, 40807179), (3, 13602393), (7, 5829597), (9, 4534131), (21, 1943199), (27, 1511377), (63, 647733), (71, 574749), (189, 215911), (213, 191583), (497, 82107), (639, 63861), (1491, 27369), (1917, 21287), (3041, 13419), (4473, 9123)]