248993205

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{7639}}^1$

素因数の和:7741

約数の個数: 32

約数和(自身を含む): 415860480

約数和(自身を除く): 166867275

約数列:

[1, 3, 5, 15, 41, 53, 123, 159, 205, 265, 615, 795, 2173, 6519, 7639, 10865, 22917, 32595, 38195, 114585, 313199, 404867, 939597, 1214601, 1565995, 2024335, 4697985, 6073005, 16599547, 49798641, 82997735, 248993205]

約数ペア:

[(1, 248993205), (3, 82997735), (5, 49798641), (15, 16599547), (41, 6073005), (53, 4697985), (123, 2024335), (159, 1565995), (205, 1214601), (265, 939597), (615, 404867), (795, 313199), (2173, 114585), (6519, 38195), (7639, 32595), (10865, 22917)]