204815985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 368492544

約数和(自身を除く): 163676559

約数列:

[1, 3, 5, 11, 15, 33, 55, 67, 97, 165, 191, 201, 291, 335, 485, 573, 737, 955, 1005, 1067, 1455, 2101, 2211, 2865, 3201, 3685, 5335, 6303, 6499, 10505, 11055, 12797, 16005, 18527, 19497, 31515, 32495, 38391, 55581, 63985, 71489, 92635, 97485, 140767, 191955, 203797, 214467, 277905, 357445, 422301, 611391, 703835, 1018985, 1072335, 1241309, 2111505, 3056955, 3723927, 6206545, 13654399, 18619635, 40963197, 68271995, 204815985]

約数ペア:

[(1, 204815985), (3, 68271995), (5, 40963197), (11, 18619635), (15, 13654399), (33, 6206545), (55, 3723927), (67, 3056955), (97, 2111505), (165, 1241309), (191, 1072335), (201, 1018985), (291, 703835), (335, 611391), (485, 422301), (573, 357445), (737, 277905), (955, 214467), (1005, 203797), (1067, 191955), (1455, 140767), (2101, 97485), (2211, 92635), (2865, 71489), (3201, 63985), (3685, 55581), (5335, 38391), (6303, 32495), (6499, 31515), (10505, 19497), (11055, 18527), (12797, 16005)]