281021169

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 489065472

約数和(自身を除く): 208044303

約数列:

[1, 3, 11, 13, 17, 31, 33, 39, 51, 93, 113, 121, 143, 187, 221, 339, 341, 363, 403, 429, 527, 561, 663, 1023, 1209, 1243, 1469, 1573, 1581, 1921, 2057, 2431, 3503, 3729, 3751, 4407, 4433, 4719, 5763, 5797, 6171, 6851, 7293, 10509, 11253, 13299, 13673, 16159, 17391, 20553, 21131, 24973, 26741, 38533, 41019, 45539, 48477, 48763, 59551, 63393, 63767, 74919, 75361, 80223, 115599, 136617, 146289, 177749, 178653, 191301, 226083, 232441, 274703, 423863, 500929, 533247, 655061, 697323, 774163, 824109, 828971, 1271589, 1502787, 1965183, 2322489, 2486913, 3021733, 5510219, 7205671, 8515793, 9065199, 16530657, 21617013, 25547379, 93673723, 281021169]

約数ペア:

[(1, 281021169), (3, 93673723), (11, 25547379), (13, 21617013), (17, 16530657), (31, 9065199), (33, 8515793), (39, 7205671), (51, 5510219), (93, 3021733), (113, 2486913), (121, 2322489), (143, 1965183), (187, 1502787), (221, 1271589), (339, 828971), (341, 824109), (363, 774163), (403, 697323), (429, 655061), (527, 533247), (561, 500929), (663, 423863), (1023, 274703), (1209, 232441), (1243, 226083), (1469, 191301), (1573, 178653), (1581, 177749), (1921, 146289), (2057, 136617), (2431, 115599), (3503, 80223), (3729, 75361), (3751, 74919), (4407, 63767), (4433, 63393), (4719, 59551), (5763, 48763), (5797, 48477), (6171, 45539), (6851, 41019), (7293, 38533), (10509, 26741), (11253, 24973), (13299, 21131), (13673, 20553), (16159, 17391)]