71918403

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 102110976

約数和(自身を除く): 30192573

約数列:

[1, 3, 43, 53, 67, 129, 157, 159, 201, 471, 2279, 2881, 3551, 6751, 6837, 8321, 8643, 10519, 10653, 20253, 24963, 31557, 152693, 357803, 452317, 458079, 557507, 1073409, 1356951, 1672521, 23972801, 71918403]

約数ペア:

[(1, 71918403), (3, 23972801), (43, 1672521), (53, 1356951), (67, 1073409), (129, 557507), (157, 458079), (159, 452317), (201, 357803), (471, 152693), (2279, 31557), (2881, 24963), (3551, 20253), (6751, 10653), (6837, 10519), (8321, 8643)]