31640553

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1014

約数の個数: 48

約数和(自身を含む): 57148416

約数和(自身を除く): 25507863

約数列:

[1, 3, 7, 9, 17, 21, 31, 51, 63, 93, 119, 153, 217, 279, 357, 527, 651, 953, 1071, 1581, 1953, 2859, 3689, 4743, 6671, 8577, 11067, 16201, 20013, 29543, 33201, 48603, 60039, 88629, 113407, 145809, 206801, 265887, 340221, 502231, 620403, 1020663, 1506693, 1861209, 3515617, 4520079, 10546851, 31640553]

約数ペア:

[(1, 31640553), (3, 10546851), (7, 4520079), (9, 3515617), (17, 1861209), (21, 1506693), (31, 1020663), (51, 620403), (63, 502231), (93, 340221), (119, 265887), (153, 206801), (217, 145809), (279, 113407), (357, 88629), (527, 60039), (651, 48603), (953, 33201), (1071, 29543), (1581, 20013), (1953, 16201), (2859, 11067), (3689, 8577), (4743, 6671)]