81772901

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{4013}}^1$

素因数の和:4132

約数の個数: 16

約数和(自身を含む): 97106688

約数和(自身を除く): 15333787

約数列:

[1, 7, 41, 71, 287, 497, 2911, 4013, 20377, 28091, 164533, 284923, 1151731, 1994461, 11681843, 81772901]

約数ペア:

[(1, 81772901), (7, 11681843), (41, 1994461), (71, 1151731), (287, 284923), (497, 164533), (2911, 28091), (4013, 20377)]