30509721

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 19809639

約数列:

[1, 3, 9, 11, 33, 47, 79, 83, 99, 141, 237, 249, 423, 517, 711, 747, 869, 913, 1551, 2607, 2739, 3713, 3901, 4653, 6557, 7821, 8217, 11139, 11703, 19671, 33417, 35109, 40843, 42911, 59013, 72127, 122529, 128733, 216381, 308179, 367587, 386199, 649143, 924537, 2773611, 3389969, 10169907, 30509721]

約数ペア:

[(1, 30509721), (3, 10169907), (9, 3389969), (11, 2773611), (33, 924537), (47, 649143), (79, 386199), (83, 367587), (99, 308179), (141, 216381), (237, 128733), (249, 122529), (423, 72127), (517, 59013), (711, 42911), (747, 40843), (869, 35109), (913, 33417), (1551, 19671), (2607, 11703), (2739, 11139), (3713, 8217), (3901, 7821), (4653, 6557)]