64723617

素因数分解:

$3^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{541}}^1$

素因数の和:771

約数の個数: 40

約数和(自身を含む): 111227072

約数和(自身を除く): 46503455

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 211, 541, 567, 633, 1477, 1623, 1899, 3787, 4431, 4869, 5697, 11361, 13293, 14607, 17091, 34083, 39879, 43821, 102249, 114151, 119637, 306747, 342453, 799057, 1027359, 2397171, 3082077, 7191513, 9246231, 21574539, 64723617]

約数ペア:

[(1, 64723617), (3, 21574539), (7, 9246231), (9, 7191513), (21, 3082077), (27, 2397171), (63, 1027359), (81, 799057), (189, 342453), (211, 306747), (541, 119637), (567, 114151), (633, 102249), (1477, 43821), (1623, 39879), (1899, 34083), (3787, 17091), (4431, 14607), (4869, 13293), (5697, 11361)]