287222715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25841}}^1$

素因数の和:25884

約数の個数: 48

約数和(自身を含む): 564389280

約数和(自身を除く): 277166565

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 3705, 11115, 25841, 77523, 129205, 232569, 335933, 387615, 490979, 1007799, 1162845, 1472937, 1679665, 2454895, 3023397, 4418811, 5038995, 6382727, 7364685, 15116985, 19148181, 22094055, 31913635, 57444543, 95740905, 287222715]

約数ペア:

[(1, 287222715), (3, 95740905), (5, 57444543), (9, 31913635), (13, 22094055), (15, 19148181), (19, 15116985), (39, 7364685), (45, 6382727), (57, 5038995), (65, 4418811), (95, 3023397), (117, 2454895), (171, 1679665), (195, 1472937), (247, 1162845), (285, 1007799), (585, 490979), (741, 387615), (855, 335933), (1235, 232569), (2223, 129205), (3705, 77523), (11115, 25841)]