28913535

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4831}}^1$

素因数の和:4868

約数の個数: 48

約数和(自身を含む): 60303360

約数和(自身を除く): 31389825

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 4831, 5985, 14493, 24155, 33817, 43479, 72465, 91789, 101451, 169085, 217395, 275367, 304353, 458945, 507255, 642523, 826101, 1376835, 1521765, 1927569, 3212615, 4130505, 5782707, 9637845, 28913535]

約数ペア:

[(1, 28913535), (3, 9637845), (5, 5782707), (7, 4130505), (9, 3212615), (15, 1927569), (19, 1521765), (21, 1376835), (35, 826101), (45, 642523), (57, 507255), (63, 458945), (95, 304353), (105, 275367), (133, 217395), (171, 169085), (285, 101451), (315, 91789), (399, 72465), (665, 43479), (855, 33817), (1197, 24155), (1995, 14493), (4831, 5985)]