209213025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1787}}^1$

素因数の和:2030

約数の個数: 48

約数和(自身を含む): 397307904

約数和(自身を除く): 188094879

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 223, 525, 669, 1115, 1561, 1787, 3345, 4683, 5361, 5575, 7805, 8935, 12509, 16725, 23415, 26805, 37527, 39025, 44675, 62545, 117075, 134025, 187635, 312725, 398501, 938175, 1195503, 1992505, 2789507, 5977515, 8368521, 9962525, 13947535, 29887575, 41842605, 69737675, 209213025]

約数ペア:

[(1, 209213025), (3, 69737675), (5, 41842605), (7, 29887575), (15, 13947535), (21, 9962525), (25, 8368521), (35, 5977515), (75, 2789507), (105, 1992505), (175, 1195503), (223, 938175), (525, 398501), (669, 312725), (1115, 187635), (1561, 134025), (1787, 117075), (3345, 62545), (4683, 44675), (5361, 39025), (5575, 37527), (7805, 26805), (8935, 23415), (12509, 16725)]