31445997

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{521}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 48107520

約数和(自身を除く): 16661523

約数列:

[1, 3, 11, 31, 33, 59, 93, 177, 341, 521, 649, 1023, 1563, 1829, 1947, 5487, 5731, 16151, 17193, 20119, 30739, 48453, 60357, 92217, 177661, 338129, 532983, 952909, 1014387, 2858727, 10481999, 31445997]

約数ペア:

[(1, 31445997), (3, 10481999), (11, 2858727), (31, 1014387), (33, 952909), (59, 532983), (93, 338129), (177, 177661), (341, 92217), (521, 60357), (649, 48453), (1023, 30739), (1563, 20119), (1829, 17193), (1947, 16151), (5487, 5731)]