30791943

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 57513456

約数和(自身を除く): 26721513

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 49, 63, 91, 117, 123, 131, 147, 273, 287, 369, 393, 441, 533, 637, 819, 861, 917, 1179, 1599, 1703, 1911, 2009, 2583, 2751, 3731, 4797, 5109, 5371, 5733, 6027, 6419, 8253, 11193, 11921, 15327, 16113, 18081, 19257, 26117, 33579, 35763, 37597, 48339, 57771, 69823, 78351, 83447, 107289, 112791, 209469, 235053, 250341, 263179, 338373, 488761, 628407, 751023, 789537, 1466283, 2368611, 3421327, 4398849, 10263981, 30791943]

約数ペア:

[(1, 30791943), (3, 10263981), (7, 4398849), (9, 3421327), (13, 2368611), (21, 1466283), (39, 789537), (41, 751023), (49, 628407), (63, 488761), (91, 338373), (117, 263179), (123, 250341), (131, 235053), (147, 209469), (273, 112791), (287, 107289), (369, 83447), (393, 78351), (441, 69823), (533, 57771), (637, 48339), (819, 37597), (861, 35763), (917, 33579), (1179, 26117), (1599, 19257), (1703, 18081), (1911, 16113), (2009, 15327), (2583, 11921), (2751, 11193), (3731, 8253), (4797, 6419), (5109, 6027), (5371, 5733)]