31988187

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1544

約数の個数: 48

約数和(自身を含む): 59504640

約数和(自身を除く): 27516453

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 1023, 1489, 1953, 2387, 3069, 4467, 7161, 10423, 13401, 16379, 21483, 31269, 46159, 49137, 93807, 114653, 138477, 147411, 323113, 343959, 415431, 507749, 969339, 1031877, 1523247, 2908017, 3554243, 4569741, 10662729, 31988187]

約数ペア:

[(1, 31988187), (3, 10662729), (7, 4569741), (9, 3554243), (11, 2908017), (21, 1523247), (31, 1031877), (33, 969339), (63, 507749), (77, 415431), (93, 343959), (99, 323113), (217, 147411), (231, 138477), (279, 114653), (341, 93807), (651, 49137), (693, 46159), (1023, 31269), (1489, 21483), (1953, 16379), (2387, 13401), (3069, 10423), (4467, 7161)]