216888915

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{599}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 352512000

約数和(自身を除く): 135623085

約数列:

[1, 3, 5, 15, 101, 239, 303, 505, 599, 717, 1195, 1515, 1797, 2995, 3585, 8985, 24139, 60499, 72417, 120695, 143161, 181497, 302495, 362085, 429483, 715805, 907485, 2147415, 14459261, 43377783, 72296305, 216888915]

約数ペア:

[(1, 216888915), (3, 72296305), (5, 43377783), (15, 14459261), (101, 2147415), (239, 907485), (303, 715805), (505, 429483), (599, 362085), (717, 302495), (1195, 181497), (1515, 143161), (1797, 120695), (2995, 72417), (3585, 60499), (8985, 24139)]