402975

素因数分解:

$3^4\times 5^2\times {\mathrm{199}}^1$

素因数の和:221

約数の個数: 30

約数和(自身を含む): 750200

約数和(自身を除く): 347225

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 199, 225, 405, 597, 675, 995, 1791, 2025, 2985, 4975, 5373, 8955, 14925, 16119, 26865, 44775, 80595, 134325, 402975]

約数ペア:

[(1, 402975), (3, 134325), (5, 80595), (9, 44775), (15, 26865), (25, 16119), (27, 14925), (45, 8955), (75, 5373), (81, 4975), (135, 2985), (199, 2025), (225, 1791), (405, 995), (597, 675)]