30718881

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 18814239

約数列:

[1, 3, 9, 17, 41, 51, 59, 83, 123, 153, 177, 249, 369, 531, 697, 747, 1003, 1411, 2091, 2419, 3009, 3403, 4233, 4897, 6273, 7257, 9027, 10209, 12699, 14691, 21771, 30627, 41123, 44073, 57851, 83249, 123369, 173553, 200777, 249747, 370107, 520659, 602331, 749241, 1806993, 3413209, 10239627, 30718881]

約数ペア:

[(1, 30718881), (3, 10239627), (9, 3413209), (17, 1806993), (41, 749241), (51, 602331), (59, 520659), (83, 370107), (123, 249747), (153, 200777), (177, 173553), (249, 123369), (369, 83249), (531, 57851), (697, 44073), (747, 41123), (1003, 30627), (1411, 21771), (2091, 14691), (2419, 12699), (3009, 10209), (3403, 9027), (4233, 7257), (4897, 6273)]