81178461

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{99119}}^1$

素因数の和:99145

約数の個数: 24

約数和(自身を含む): 144318720

約数和(自身を除く): 63140259

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 99119, 297357, 693833, 892071, 1288547, 2081499, 3865641, 6244497, 9019829, 11596923, 27059487, 81178461]

約数ペア:

[(1, 81178461), (3, 27059487), (7, 11596923), (9, 9019829), (13, 6244497), (21, 3865641), (39, 2081499), (63, 1288547), (91, 892071), (117, 693833), (273, 297357), (819, 99119)]