31143987

素因数分解:

$3^3\times 7^1\times {\mathrm{367}}^1\times {\mathrm{449}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 52992000

約数和(自身を除く): 21848013

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 367, 449, 1101, 1347, 2569, 3143, 3303, 4041, 7707, 9429, 9909, 12123, 23121, 28287, 69363, 84861, 164783, 494349, 1153481, 1483047, 3460443, 4449141, 10381329, 31143987]

約数ペア:

[(1, 31143987), (3, 10381329), (7, 4449141), (9, 3460443), (21, 1483047), (27, 1153481), (63, 494349), (189, 164783), (367, 84861), (449, 69363), (1101, 28287), (1347, 23121), (2569, 12123), (3143, 9909), (3303, 9429), (4041, 7707)]