947994579

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{21589}}^1$

素因数の和:21660

約数の個数: 48

約数和(自身を含む): 1697492160

約数和(自身を除く): 749497581

約数列:

[1, 3, 7, 9, 17, 21, 41, 51, 63, 119, 123, 153, 287, 357, 369, 697, 861, 1071, 2091, 2583, 4879, 6273, 14637, 21589, 43911, 64767, 151123, 194301, 367013, 453369, 885149, 1101039, 1360107, 2569091, 2655447, 3303117, 6196043, 7707273, 7966341, 15047533, 18588129, 23121819, 45142599, 55764387, 105332731, 135427797, 315998193, 947994579]

約数ペア:

[(1, 947994579), (3, 315998193), (7, 135427797), (9, 105332731), (17, 55764387), (21, 45142599), (41, 23121819), (51, 18588129), (63, 15047533), (119, 7966341), (123, 7707273), (153, 6196043), (287, 3303117), (357, 2655447), (369, 2569091), (697, 1360107), (861, 1101039), (1071, 885149), (2091, 453369), (2583, 367013), (4879, 194301), (6273, 151123), (14637, 64767), (21589, 43911)]