29288721

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 50561280

約数和(自身を除く): 21272559

約数列:

[1, 3, 7, 11, 21, 33, 49, 59, 77, 147, 177, 231, 307, 413, 539, 649, 921, 1239, 1617, 1947, 2149, 2891, 3377, 4543, 6447, 8673, 10131, 13629, 15043, 18113, 23639, 31801, 45129, 54339, 70917, 95403, 126791, 165473, 199243, 380373, 496419, 597729, 887537, 1394701, 2662611, 4184103, 9762907, 29288721]

約数ペア:

[(1, 29288721), (3, 9762907), (7, 4184103), (11, 2662611), (21, 1394701), (33, 887537), (49, 597729), (59, 496419), (77, 380373), (147, 199243), (177, 165473), (231, 126791), (307, 95403), (413, 70917), (539, 54339), (649, 45129), (921, 31801), (1239, 23639), (1617, 18113), (1947, 15043), (2149, 13629), (2891, 10131), (3377, 8673), (4543, 6447)]