31521753

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 50544000

約数和(自身を除く): 19022247

約数列:

[1, 3, 9, 23, 29, 59, 69, 87, 89, 177, 207, 261, 267, 531, 667, 801, 1357, 1711, 2001, 2047, 2581, 4071, 5133, 5251, 6003, 6141, 7743, 12213, 15399, 15753, 18423, 23229, 39353, 47259, 59363, 118059, 120773, 152279, 178089, 354177, 362319, 456837, 534267, 1086957, 1370511, 3502417, 10507251, 31521753]

約数ペア:

[(1, 31521753), (3, 10507251), (9, 3502417), (23, 1370511), (29, 1086957), (59, 534267), (69, 456837), (87, 362319), (89, 354177), (177, 178089), (207, 152279), (261, 120773), (267, 118059), (531, 59363), (667, 47259), (801, 39353), (1357, 23229), (1711, 18423), (2001, 15753), (2047, 15399), (2581, 12213), (4071, 7743), (5133, 6141), (5251, 6003)]