3967775

素因数分解:

$5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 36

約数和(自身を含む): 5937120

約数和(自身を除く): 1969345

約数列:

[1, 5, 7, 25, 35, 41, 49, 79, 175, 205, 245, 287, 395, 553, 1025, 1225, 1435, 1975, 2009, 2765, 3239, 3871, 7175, 10045, 13825, 16195, 19355, 22673, 50225, 80975, 96775, 113365, 158711, 566825, 793555, 3967775]

約数ペア:

[(1, 3967775), (5, 793555), (7, 566825), (25, 158711), (35, 113365), (41, 96775), (49, 80975), (79, 50225), (175, 22673), (205, 19355), (245, 16195), (287, 13825), (395, 10045), (553, 7175), (1025, 3871), (1225, 3239), (1435, 2765), (1975, 2009)]