173989995

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 299980800

約数和(自身を除く): 125990805

約数列:

[1, 3, 5, 15, 29, 61, 79, 83, 87, 145, 183, 237, 249, 305, 395, 415, 435, 915, 1185, 1245, 1769, 2291, 2407, 4819, 5063, 5307, 6557, 6873, 7221, 8845, 11455, 12035, 14457, 15189, 19671, 24095, 25315, 26535, 32785, 34365, 36105, 72285, 75945, 98355, 139751, 146827, 190153, 399977, 419253, 440481, 570459, 698755, 734135, 950765, 1199931, 1999885, 2096265, 2202405, 2852295, 5999655, 11599333, 34797999, 57996665, 173989995]

約数ペア:

[(1, 173989995), (3, 57996665), (5, 34797999), (15, 11599333), (29, 5999655), (61, 2852295), (79, 2202405), (83, 2096265), (87, 1999885), (145, 1199931), (183, 950765), (237, 734135), (249, 698755), (305, 570459), (395, 440481), (415, 419253), (435, 399977), (915, 190153), (1185, 146827), (1245, 139751), (1769, 98355), (2291, 75945), (2407, 72285), (4819, 36105), (5063, 34365), (5307, 32785), (6557, 26535), (6873, 25315), (7221, 24095), (8845, 19671), (11455, 15189), (12035, 14457)]