128565549

素因数分解:

$3^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1151}}^1$

素因数の和:1367

約数の個数: 40

約数和(自身を含む): 220796928

約数和(自身を除く): 92231379

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 197, 567, 591, 1151, 1379, 1773, 3453, 4137, 5319, 8057, 10359, 12411, 15957, 24171, 31077, 37233, 72513, 93231, 111699, 217539, 226747, 652617, 680241, 1587229, 2040723, 4761687, 6122169, 14285061, 18366507, 42855183, 128565549]

約数ペア:

[(1, 128565549), (3, 42855183), (7, 18366507), (9, 14285061), (21, 6122169), (27, 4761687), (63, 2040723), (81, 1587229), (189, 680241), (197, 652617), (567, 226747), (591, 217539), (1151, 111699), (1379, 93231), (1773, 72513), (3453, 37233), (4137, 31077), (5319, 24171), (8057, 15957), (10359, 12411)]