31808241

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 52557120

約数和(自身を除く): 20748879

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 131, 153, 207, 391, 393, 459, 529, 621, 1173, 1179, 1587, 2227, 3013, 3519, 3537, 4761, 6681, 8993, 9039, 10557, 14283, 20043, 26979, 27117, 51221, 60129, 69299, 80937, 81351, 153663, 207897, 242811, 460989, 623691, 1178083, 1382967, 1871073, 3534249, 10602747, 31808241]

約数ペア:

[(1, 31808241), (3, 10602747), (9, 3534249), (17, 1871073), (23, 1382967), (27, 1178083), (51, 623691), (69, 460989), (131, 242811), (153, 207897), (207, 153663), (391, 81351), (393, 80937), (459, 69299), (529, 60129), (621, 51221), (1173, 27117), (1179, 26979), (1587, 20043), (2227, 14283), (3013, 10557), (3519, 9039), (3537, 8993), (4761, 6681)]