31802121

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 53464320

約数和(自身を除く): 21662199

約数列:

[1, 3, 9, 13, 17, 39, 51, 59, 117, 153, 177, 221, 271, 531, 663, 767, 813, 1003, 1989, 2301, 2439, 3009, 3523, 4607, 6903, 9027, 10569, 13039, 13821, 15989, 31707, 39117, 41463, 47967, 59891, 117351, 143901, 179673, 207857, 271813, 539019, 623571, 815439, 1870713, 2446317, 3533569, 10600707, 31802121]

約数ペア:

[(1, 31802121), (3, 10600707), (9, 3533569), (13, 2446317), (17, 1870713), (39, 815439), (51, 623571), (59, 539019), (117, 271813), (153, 207857), (177, 179673), (221, 143901), (271, 117351), (531, 59891), (663, 47967), (767, 41463), (813, 39117), (1003, 31707), (1989, 15989), (2301, 13821), (2439, 13039), (3009, 10569), (3523, 9027), (4607, 6903)]