415953909

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20441}}^1$

素因数の和:20490

約数の個数: 48

約数和(自身を含む): 765348480

約数和(自身を除く): 349394571

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 969, 1071, 1197, 2261, 2907, 6783, 20349, 20441, 61323, 143087, 183969, 347497, 388379, 429261, 1042491, 1165137, 1287783, 2432479, 2718653, 3127473, 3495411, 6602443, 7297437, 8155959, 19807329, 21892311, 24467877, 46217101, 59421987, 138651303, 415953909]

約数ペア:

[(1, 415953909), (3, 138651303), (7, 59421987), (9, 46217101), (17, 24467877), (19, 21892311), (21, 19807329), (51, 8155959), (57, 7297437), (63, 6602443), (119, 3495411), (133, 3127473), (153, 2718653), (171, 2432479), (323, 1287783), (357, 1165137), (399, 1042491), (969, 429261), (1071, 388379), (1197, 347497), (2261, 183969), (2907, 143087), (6783, 61323), (20349, 20441)]