81292089

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 118195200

約数和(自身を除く): 36903111

約数列:

[1, 3, 19, 53, 57, 71, 159, 213, 379, 1007, 1137, 1349, 3021, 3763, 4047, 7201, 11289, 20087, 21603, 26909, 60261, 71497, 80727, 214491, 381653, 511271, 1144959, 1426177, 1533813, 4278531, 27097363, 81292089]

約数ペア:

[(1, 81292089), (3, 27097363), (19, 4278531), (53, 1533813), (57, 1426177), (71, 1144959), (159, 511271), (213, 381653), (379, 214491), (1007, 80727), (1137, 71497), (1349, 60261), (3021, 26909), (3763, 21603), (4047, 20087), (7201, 11289)]