81345663

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{503}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 143410176

約数和(自身を除く): 62064513

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 151, 153, 357, 453, 503, 1057, 1071, 1359, 1509, 2567, 3171, 3521, 4527, 7701, 8551, 9513, 10563, 17969, 23103, 25653, 31689, 53907, 59857, 75953, 76959, 161721, 179571, 227859, 531671, 538713, 683577, 1291201, 1595013, 3873603, 4785039, 9038407, 11620809, 27115221, 81345663]

約数ペア:

[(1, 81345663), (3, 27115221), (7, 11620809), (9, 9038407), (17, 4785039), (21, 3873603), (51, 1595013), (63, 1291201), (119, 683577), (151, 538713), (153, 531671), (357, 227859), (453, 179571), (503, 161721), (1057, 76959), (1071, 75953), (1359, 59857), (1509, 53907), (2567, 31689), (3171, 25653), (3521, 23103), (4527, 17969), (7701, 10563), (8551, 9513)]