71820777

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{373}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 112451328

約数和(自身を除く): 40630551

約数列:

[1, 3, 7, 21, 53, 159, 173, 371, 373, 519, 1113, 1119, 1211, 2611, 3633, 7833, 9169, 19769, 27507, 59307, 64183, 64529, 138383, 192549, 193587, 415149, 451703, 1355109, 3420037, 10260111, 23940259, 71820777]

約数ペア:

[(1, 71820777), (3, 23940259), (7, 10260111), (21, 3420037), (53, 1355109), (159, 451703), (173, 415149), (371, 193587), (373, 192549), (519, 138383), (1113, 64529), (1119, 64183), (1211, 59307), (2611, 27507), (3633, 19769), (7833, 9169)]