262139715

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 464068800

約数和(自身を除く): 201929085

約数列:

[1, 3, 5, 9, 15, 45, 73, 199, 219, 365, 401, 597, 657, 995, 1095, 1203, 1791, 2005, 2985, 3285, 3609, 6015, 8955, 14527, 18045, 29273, 43581, 72635, 79799, 87819, 130743, 146365, 217905, 239397, 263457, 398995, 439095, 653715, 718191, 1196985, 1317285, 3590955, 5825327, 17475981, 29126635, 52427943, 87379905, 262139715]

約数ペア:

[(1, 262139715), (3, 87379905), (5, 52427943), (9, 29126635), (15, 17475981), (45, 5825327), (73, 3590955), (199, 1317285), (219, 1196985), (365, 718191), (401, 653715), (597, 439095), (657, 398995), (995, 263457), (1095, 239397), (1203, 217905), (1791, 146365), (2005, 130743), (2985, 87819), (3285, 79799), (3609, 72635), (6015, 43581), (8955, 29273), (14527, 18045)]