218605569

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{5303}}^1$

素因数の和:5477

約数の個数: 32

約数和(自身を含む): 361181184

約数和(自身を除く): 142575615

約数列:

[1, 3, 7, 13, 21, 39, 91, 151, 273, 453, 1057, 1963, 3171, 5303, 5889, 13741, 15909, 37121, 41223, 68939, 111363, 206817, 482573, 800753, 1447719, 2402259, 5605271, 10409789, 16815813, 31229367, 72868523, 218605569]

約数ペア:

[(1, 218605569), (3, 72868523), (7, 31229367), (13, 16815813), (21, 10409789), (39, 5605271), (91, 2402259), (151, 1447719), (273, 800753), (453, 482573), (1057, 206817), (1963, 111363), (3171, 68939), (5303, 41223), (5889, 37121), (13741, 15909)]