17321967

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 28986048

約数和(自身を除く): 11664081

約数列:

[1, 3, 9, 13, 23, 39, 41, 69, 117, 123, 157, 207, 299, 369, 471, 533, 897, 943, 1413, 1599, 2041, 2691, 2829, 3611, 4797, 6123, 6437, 8487, 10833, 12259, 18369, 19311, 32499, 36777, 46943, 57933, 83681, 110331, 140829, 148051, 251043, 422487, 444153, 753129, 1332459, 1924663, 5773989, 17321967]

約数ペア:

[(1, 17321967), (3, 5773989), (9, 1924663), (13, 1332459), (23, 753129), (39, 444153), (41, 422487), (69, 251043), (117, 148051), (123, 140829), (157, 110331), (207, 83681), (299, 57933), (369, 46943), (471, 36777), (533, 32499), (897, 19311), (943, 18369), (1413, 12259), (1599, 10833), (2041, 8487), (2691, 6437), (2829, 6123), (3611, 4797)]