91603915

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 123379200

約数和(自身を除く): 31775285

約数列:

[1, 5, 13, 31, 65, 155, 169, 269, 403, 845, 1345, 2015, 2197, 3497, 5239, 8339, 10985, 17485, 26195, 41695, 45461, 68107, 108407, 227305, 340535, 542035, 590993, 1409291, 2954965, 7046455, 18320783, 91603915]

約数ペア:

[(1, 91603915), (5, 18320783), (13, 7046455), (31, 2954965), (65, 1409291), (155, 590993), (169, 542035), (269, 340535), (403, 227305), (845, 108407), (1345, 68107), (2015, 45461), (2197, 41695), (3497, 26195), (5239, 17485), (8339, 10985)]