31206951

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:333

約数の個数: 40

約数和(自身を含む): 50024304

約数和(自身を除く): 18817353

約数列:

[1, 3, 9, 17, 27, 51, 81, 131, 153, 173, 393, 459, 519, 1179, 1377, 1557, 2227, 2941, 3537, 4671, 6681, 8823, 10611, 14013, 20043, 22663, 26469, 60129, 67989, 79407, 180387, 203967, 238221, 385271, 611901, 1155813, 1835703, 3467439, 10402317, 31206951]

約数ペア:

[(1, 31206951), (3, 10402317), (9, 3467439), (17, 1835703), (27, 1155813), (51, 611901), (81, 385271), (131, 238221), (153, 203967), (173, 180387), (393, 79407), (459, 67989), (519, 60129), (1179, 26469), (1377, 22663), (1557, 20043), (2227, 14013), (2941, 10611), (3537, 8823), (4671, 6681)]