71900883

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{113}}^1$

素因数の和:260

約数の個数: 36

約数和(自身を含む): 112128120

約数和(自身を除く): 40227237

約数列:

[1, 3, 9, 19, 57, 61, 113, 171, 183, 339, 549, 1017, 1159, 2147, 3477, 3721, 6441, 6893, 10431, 11163, 19323, 20679, 33489, 62037, 70699, 130967, 212097, 392901, 420473, 636291, 1178703, 1261419, 3784257, 7988987, 23966961, 71900883]

約数ペア:

[(1, 71900883), (3, 23966961), (9, 7988987), (19, 3784257), (57, 1261419), (61, 1178703), (113, 636291), (171, 420473), (183, 392901), (339, 212097), (549, 130967), (1017, 70699), (1159, 62037), (2147, 33489), (3477, 20679), (3721, 19323), (6441, 11163), (6893, 10431)]