168805215

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21937}}^1$

素因数の和:21973

約数の個数: 40

約数和(自身を含む): 318539760

約数和(自身を除く): 149734545

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 7695, 21937, 65811, 109685, 197433, 329055, 416803, 592299, 987165, 1250409, 1776897, 2084015, 2961495, 3751227, 6252045, 8884485, 11253681, 18756135, 33761043, 56268405, 168805215]

約数ペア:

[(1, 168805215), (3, 56268405), (5, 33761043), (9, 18756135), (15, 11253681), (19, 8884485), (27, 6252045), (45, 3751227), (57, 2961495), (81, 2084015), (95, 1776897), (135, 1250409), (171, 987165), (285, 592299), (405, 416803), (513, 329055), (855, 197433), (1539, 109685), (2565, 65811), (7695, 21937)]