815965167

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 1238630400

約数和(自身を除く): 422665233

約数列:

[1, 3, 17, 31, 47, 51, 79, 93, 139, 141, 237, 417, 527, 799, 1343, 1457, 1581, 2363, 2397, 2449, 3713, 4029, 4309, 4371, 6533, 7089, 7347, 10981, 11139, 12927, 19599, 24769, 32943, 41633, 63121, 73253, 74307, 111061, 115103, 124899, 186677, 189363, 202523, 219759, 333183, 340411, 345309, 516107, 560031, 607569, 1021233, 1548321, 1956751, 3442891, 5786987, 5870253, 8773819, 10328673, 15999317, 17360961, 26321457, 47997951, 271988389, 815965167]

約数ペア:

[(1, 815965167), (3, 271988389), (17, 47997951), (31, 26321457), (47, 17360961), (51, 15999317), (79, 10328673), (93, 8773819), (139, 5870253), (141, 5786987), (237, 3442891), (417, 1956751), (527, 1548321), (799, 1021233), (1343, 607569), (1457, 560031), (1581, 516107), (2363, 345309), (2397, 340411), (2449, 333183), (3713, 219759), (4029, 202523), (4309, 189363), (4371, 186677), (6533, 124899), (7089, 115103), (7347, 111061), (10981, 74307), (11139, 73253), (12927, 63121), (19599, 41633), (24769, 32943)]