420728904

素因数分解:

$2^3\times 3^4\times {\mathrm{649273}}^1$

素因数の和:649291

約数の個数: 40

約数和(自身を含む): 1178432310

約数和(自身を除く): 757703406

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 649273, 1298546, 1947819, 2597092, 3895638, 5194184, 5843457, 7791276, 11686914, 15582552, 17530371, 23373828, 35060742, 46747656, 52591113, 70121484, 105182226, 140242968, 210364452, 420728904]

約数ペア:

[(1, 420728904), (2, 210364452), (3, 140242968), (4, 105182226), (6, 70121484), (8, 52591113), (9, 46747656), (12, 35060742), (18, 23373828), (24, 17530371), (27, 15582552), (36, 11686914), (54, 7791276), (72, 5843457), (81, 5194184), (108, 3895638), (162, 2597092), (216, 1947819), (324, 1298546), (648, 649273)]