201895881

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 316518720

約数和(自身を除く): 114622839

約数列:

[1, 3, 11, 19, 33, 57, 73, 121, 209, 219, 363, 401, 627, 803, 1203, 1387, 2299, 2409, 4161, 4411, 6897, 7619, 8833, 13233, 15257, 22857, 26499, 29273, 45771, 48521, 83809, 87819, 145563, 167827, 251427, 322003, 503481, 556187, 921899, 966009, 1668561, 2765697, 3542033, 6118057, 10626099, 18354171, 67298627, 201895881]

約数ペア:

[(1, 201895881), (3, 67298627), (11, 18354171), (19, 10626099), (33, 6118057), (57, 3542033), (73, 2765697), (121, 1668561), (209, 966009), (219, 921899), (363, 556187), (401, 503481), (627, 322003), (803, 251427), (1203, 167827), (1387, 145563), (2299, 87819), (2409, 83809), (4161, 48521), (4411, 45771), (6897, 29273), (7619, 26499), (8833, 22857), (13233, 15257)]