31552389

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 23743611

約数列:

[1, 3, 9, 11, 23, 27, 31, 33, 69, 93, 99, 149, 207, 253, 279, 297, 341, 447, 621, 713, 759, 837, 1023, 1341, 1639, 2139, 2277, 3069, 3427, 4023, 4619, 4917, 6417, 6831, 7843, 9207, 10281, 13857, 14751, 19251, 23529, 30843, 37697, 41571, 44253, 50809, 70587, 92529, 106237, 113091, 124713, 152427, 211761, 318711, 339273, 457281, 956133, 1017819, 1168607, 1371843, 2868399, 3505821, 10517463, 31552389]

約数ペア:

[(1, 31552389), (3, 10517463), (9, 3505821), (11, 2868399), (23, 1371843), (27, 1168607), (31, 1017819), (33, 956133), (69, 457281), (93, 339273), (99, 318711), (149, 211761), (207, 152427), (253, 124713), (279, 113091), (297, 106237), (341, 92529), (447, 70587), (621, 50809), (713, 44253), (759, 41571), (837, 37697), (1023, 30843), (1341, 23529), (1639, 19251), (2139, 14751), (2277, 13857), (3069, 10281), (3427, 9207), (4023, 7843), (4619, 6831), (4917, 6417)]