219951855

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{10247}}^1$

素因数の和:10317

約数の個数: 40

約数和(自身を含む): 401762592

約数和(自身を除く): 181810737

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 1431, 2385, 4293, 7155, 10247, 21465, 30741, 51235, 92223, 153705, 276669, 461115, 543091, 830007, 1383345, 1629273, 2715455, 4150035, 4887819, 8146365, 14663457, 24439095, 43990371, 73317285, 219951855]

約数ペア:

[(1, 219951855), (3, 73317285), (5, 43990371), (9, 24439095), (15, 14663457), (27, 8146365), (45, 4887819), (53, 4150035), (81, 2715455), (135, 1629273), (159, 1383345), (265, 830007), (405, 543091), (477, 461115), (795, 276669), (1431, 153705), (2385, 92223), (4293, 51235), (7155, 30741), (10247, 21465)]