28883799

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 22221801

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 149, 153, 181, 357, 447, 543, 1043, 1071, 1267, 1341, 1629, 2533, 3077, 3129, 3801, 7599, 9231, 9387, 11403, 17731, 21539, 22797, 26969, 27693, 53193, 64617, 80907, 159579, 188783, 193851, 242721, 458473, 566349, 1375419, 1699047, 3209311, 4126257, 9627933, 28883799]

約数ペア:

[(1, 28883799), (3, 9627933), (7, 4126257), (9, 3209311), (17, 1699047), (21, 1375419), (51, 566349), (63, 458473), (119, 242721), (149, 193851), (153, 188783), (181, 159579), (357, 80907), (447, 64617), (543, 53193), (1043, 27693), (1071, 26969), (1267, 22797), (1341, 21539), (1629, 17731), (2533, 11403), (3077, 9387), (3129, 9231), (3801, 7599)]