28972890

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{11923}}^1$

素因数の和:11945

約数の個数: 48

約数和(自身を含む): 78126048

約数和(自身を除く): 49153158

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 11923, 23846, 35769, 59615, 71538, 107307, 119230, 178845, 214614, 321921, 357690, 536535, 643842, 965763, 1073070, 1609605, 1931526, 2897289, 3219210, 4828815, 5794578, 9657630, 14486445, 28972890]

約数ペア:

[(1, 28972890), (2, 14486445), (3, 9657630), (5, 5794578), (6, 4828815), (9, 3219210), (10, 2897289), (15, 1931526), (18, 1609605), (27, 1073070), (30, 965763), (45, 643842), (54, 536535), (81, 357690), (90, 321921), (135, 214614), (162, 178845), (243, 119230), (270, 107307), (405, 71538), (486, 59615), (810, 35769), (1215, 23846), (2430, 11923)]