31361015

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 45009024

約数和(自身を除く): 13648009

約数列:

[1, 5, 7, 35, 37, 61, 185, 259, 305, 397, 427, 1295, 1985, 2135, 2257, 2779, 11285, 13895, 14689, 15799, 24217, 73445, 78995, 102823, 121085, 169519, 514115, 847595, 896029, 4480145, 6272203, 31361015]

約数ペア:

[(1, 31361015), (5, 6272203), (7, 4480145), (35, 896029), (37, 847595), (61, 514115), (185, 169519), (259, 121085), (305, 102823), (397, 78995), (427, 73445), (1295, 24217), (1985, 15799), (2135, 14689), (2257, 13895), (2779, 11285)]