90391721

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1229}}^1$

素因数の和:1341

約数の個数: 24

約数和(自身を含む): 112176000

約数和(自身を除く): 21784279

約数列:

[1, 7, 19, 49, 79, 133, 553, 931, 1229, 1501, 3871, 8603, 10507, 23351, 60221, 73549, 97091, 163457, 679637, 1144199, 1844729, 4757459, 12913103, 90391721]

約数ペア:

[(1, 90391721), (7, 12913103), (19, 4757459), (49, 1844729), (79, 1144199), (133, 679637), (553, 163457), (931, 97091), (1229, 73549), (1501, 60221), (3871, 23351), (8603, 10507)]