51831585

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2161}}^1$

素因数の和:2226

約数の個数: 48

約数和(自身を含む): 99157968

約数和(自身を除く): 47326383

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 45, 65, 117, 123, 195, 205, 369, 533, 585, 615, 1599, 1845, 2161, 2665, 4797, 6483, 7995, 10805, 19449, 23985, 28093, 32415, 84279, 88601, 97245, 140465, 252837, 265803, 421395, 443005, 797409, 1151813, 1264185, 1329015, 3455439, 3987045, 5759065, 10366317, 17277195, 51831585]

約数ペア:

[(1, 51831585), (3, 17277195), (5, 10366317), (9, 5759065), (13, 3987045), (15, 3455439), (39, 1329015), (41, 1264185), (45, 1151813), (65, 797409), (117, 443005), (123, 421395), (195, 265803), (205, 252837), (369, 140465), (533, 97245), (585, 88601), (615, 84279), (1599, 32415), (1845, 28093), (2161, 23985), (2665, 19449), (4797, 10805), (6483, 7995)]