77804025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 139574400

約数和(自身を除く): 61770375

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 199, 325, 401, 597, 975, 995, 1203, 2005, 2587, 2985, 4975, 5213, 6015, 7761, 10025, 12935, 14925, 15639, 26065, 30075, 38805, 64675, 78195, 79799, 130325, 194025, 239397, 390975, 398995, 1037387, 1196985, 1994975, 3112161, 5186935, 5984925, 15560805, 25934675, 77804025]

約数ペア:

[(1, 77804025), (3, 25934675), (5, 15560805), (13, 5984925), (15, 5186935), (25, 3112161), (39, 1994975), (65, 1196985), (75, 1037387), (195, 398995), (199, 390975), (325, 239397), (401, 194025), (597, 130325), (975, 79799), (995, 78195), (1203, 64675), (2005, 38805), (2587, 30075), (2985, 26065), (4975, 15639), (5213, 14925), (6015, 12935), (7761, 10025)]