172697631

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 248371200

約数和(自身を除く): 75673569

約数列:

[1, 3, 19, 57, 71, 139, 213, 307, 417, 921, 1349, 2641, 4047, 5833, 7923, 9869, 17499, 21797, 29607, 42673, 65391, 128019, 187511, 414143, 562533, 810787, 1242429, 2432361, 3029783, 9089349, 57565877, 172697631]

約数ペア:

[(1, 172697631), (3, 57565877), (19, 9089349), (57, 3029783), (71, 2432361), (139, 1242429), (213, 810787), (307, 562533), (417, 414143), (921, 187511), (1349, 128019), (2641, 65391), (4047, 42673), (5833, 29607), (7923, 21797), (9869, 17499)]