320169993

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 539741664

約数和(自身を除く): 219571671

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 121, 143, 169, 187, 221, 307, 363, 429, 507, 561, 663, 921, 1573, 1859, 2057, 2431, 2873, 3377, 3991, 4719, 5219, 5577, 6171, 7293, 8619, 10131, 11973, 15657, 20449, 26741, 31603, 37147, 43901, 51883, 57409, 61347, 67847, 80223, 94809, 111441, 131703, 155649, 172227, 203541, 347633, 482911, 570713, 631499, 746317, 882011, 1042899, 1448733, 1712139, 1894497, 2238951, 2646033, 6277843, 8209487, 9702121, 18833529, 24628461, 29106363, 106723331, 320169993]

約数ペア:

[(1, 320169993), (3, 106723331), (11, 29106363), (13, 24628461), (17, 18833529), (33, 9702121), (39, 8209487), (51, 6277843), (121, 2646033), (143, 2238951), (169, 1894497), (187, 1712139), (221, 1448733), (307, 1042899), (363, 882011), (429, 746317), (507, 631499), (561, 570713), (663, 482911), (921, 347633), (1573, 203541), (1859, 172227), (2057, 155649), (2431, 131703), (2873, 111441), (3377, 94809), (3991, 80223), (4719, 67847), (5219, 61347), (5577, 57409), (6171, 51883), (7293, 43901), (8619, 37147), (10131, 31603), (11973, 26741), (15657, 20449)]