31319505

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5233}}^1$

素因数の和:5270

約数の個数: 48

約数和(自身を含む): 65320320

約数和(自身を除く): 34000815

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 5233, 5985, 15699, 26165, 36631, 47097, 78495, 99427, 109893, 183155, 235485, 298281, 329679, 497135, 549465, 695989, 894843, 1491405, 1648395, 2087967, 3479945, 4474215, 6263901, 10439835, 31319505]

約数ペア:

[(1, 31319505), (3, 10439835), (5, 6263901), (7, 4474215), (9, 3479945), (15, 2087967), (19, 1648395), (21, 1491405), (35, 894843), (45, 695989), (57, 549465), (63, 497135), (95, 329679), (105, 298281), (133, 235485), (171, 183155), (285, 109893), (315, 99427), (399, 78495), (665, 47097), (855, 36631), (1197, 26165), (1995, 15699), (5233, 5985)]