168420735

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{178223}}^1$

素因数の和:178244

約数の個数: 32

約数和(自身を含む): 342190080

約数和(自身を除く): 173769345

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 178223, 534669, 891115, 1247561, 1604007, 2673345, 3742683, 4812021, 6237805, 8020035, 11228049, 18713415, 24060105, 33684147, 56140245, 168420735]

約数ペア:

[(1, 168420735), (3, 56140245), (5, 33684147), (7, 24060105), (9, 18713415), (15, 11228049), (21, 8020035), (27, 6237805), (35, 4812021), (45, 3742683), (63, 2673345), (105, 1604007), (135, 1247561), (189, 891115), (315, 534669), (945, 178223)]