217469301

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 355373568

約数和(自身を除く): 137904267

約数列:

[1, 3, 7, 21, 23, 49, 69, 131, 147, 161, 393, 483, 491, 917, 1127, 1473, 2751, 3013, 3381, 3437, 6419, 9039, 10311, 11293, 19257, 21091, 24059, 33879, 63273, 64321, 72177, 79051, 147637, 192963, 237153, 442911, 450247, 553357, 1350741, 1479383, 1660071, 3151729, 4438149, 9455187, 10355681, 31067043, 72489767, 217469301]

約数ペア:

[(1, 217469301), (3, 72489767), (7, 31067043), (21, 10355681), (23, 9455187), (49, 4438149), (69, 3151729), (131, 1660071), (147, 1479383), (161, 1350741), (393, 553357), (483, 450247), (491, 442911), (917, 237153), (1127, 192963), (1473, 147637), (2751, 79051), (3013, 72177), (3381, 64321), (3437, 63273), (6419, 33879), (9039, 24059), (10311, 21091), (11293, 19257)]