31348317

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 57634752

約数和(自身を除く): 26286435

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 73, 77, 91, 121, 143, 169, 219, 231, 273, 363, 429, 507, 511, 803, 847, 949, 1001, 1183, 1533, 1573, 1859, 2409, 2541, 2847, 3003, 3549, 4719, 5577, 5621, 6643, 8833, 10439, 11011, 12337, 13013, 16863, 19929, 20449, 26499, 31317, 33033, 37011, 39039, 61347, 61831, 73073, 86359, 114829, 135707, 143143, 185493, 219219, 259077, 344487, 407121, 429429, 803803, 949949, 1492777, 2411409, 2849847, 4478331, 10449439, 31348317]

約数ペア:

[(1, 31348317), (3, 10449439), (7, 4478331), (11, 2849847), (13, 2411409), (21, 1492777), (33, 949949), (39, 803803), (73, 429429), (77, 407121), (91, 344487), (121, 259077), (143, 219219), (169, 185493), (219, 143143), (231, 135707), (273, 114829), (363, 86359), (429, 73073), (507, 61831), (511, 61347), (803, 39039), (847, 37011), (949, 33033), (1001, 31317), (1183, 26499), (1533, 20449), (1573, 19929), (1859, 16863), (2409, 13013), (2541, 12337), (2847, 11011), (3003, 10439), (3549, 8833), (4719, 6643), (5577, 5621)]