31198245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 55936512

約数和(自身を除く): 24738267

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 169, 195, 397, 403, 465, 507, 845, 1191, 1209, 1985, 2015, 2535, 5161, 5239, 5955, 6045, 12307, 15483, 15717, 25805, 26195, 36921, 61535, 67093, 77415, 78585, 159991, 184605, 201279, 335465, 479973, 799955, 1006395, 2079883, 2399865, 6239649, 10399415, 31198245]

約数ペア:

[(1, 31198245), (3, 10399415), (5, 6239649), (13, 2399865), (15, 2079883), (31, 1006395), (39, 799955), (65, 479973), (93, 335465), (155, 201279), (169, 184605), (195, 159991), (397, 78585), (403, 77415), (465, 67093), (507, 61535), (845, 36921), (1191, 26195), (1209, 25805), (1985, 15717), (2015, 15483), (2535, 12307), (5161, 6045), (5239, 5955)]