67237947

素因数分解:

$3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:997

約数の個数: 48

約数和(自身を含む): 118310400

約数和(自身を除く): 51072453

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 343, 441, 483, 947, 1029, 1127, 1449, 2841, 3087, 3381, 6629, 7889, 8523, 10143, 19887, 21781, 23667, 46403, 59661, 65343, 71001, 139209, 152467, 196029, 324821, 417627, 457401, 974463, 1067269, 1372203, 2923389, 3201807, 7470883, 9605421, 22412649, 67237947]

約数ペア:

[(1, 67237947), (3, 22412649), (7, 9605421), (9, 7470883), (21, 3201807), (23, 2923389), (49, 1372203), (63, 1067269), (69, 974463), (147, 457401), (161, 417627), (207, 324821), (343, 196029), (441, 152467), (483, 139209), (947, 71001), (1029, 65343), (1127, 59661), (1449, 46403), (2841, 23667), (3087, 21781), (3381, 19887), (6629, 10143), (7889, 8523)]