31122

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:47

約数の個数: 48

約数和(自身を含む): 87360

約数和(自身を除く): 56238

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 234, 247, 266, 273, 342, 399, 494, 546, 741, 798, 819, 1197, 1482, 1638, 1729, 2223, 2394, 3458, 4446, 5187, 10374, 15561, 31122]

約数ペア:

[(1, 31122), (2, 15561), (3, 10374), (6, 5187), (7, 4446), (9, 3458), (13, 2394), (14, 2223), (18, 1729), (19, 1638), (21, 1482), (26, 1197), (38, 819), (39, 798), (42, 741), (57, 546), (63, 494), (78, 399), (91, 342), (114, 273), (117, 266), (126, 247), (133, 234), (171, 182)]