4997619

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 40

約数和(自身を含む): 8363520

約数和(自身を除く): 3365901

約数列:

[1, 3, 9, 11, 27, 33, 71, 79, 81, 99, 213, 237, 297, 639, 711, 781, 869, 891, 1917, 2133, 2343, 2607, 5609, 5751, 6399, 7029, 7821, 16827, 21087, 23463, 50481, 61699, 63261, 70389, 151443, 185097, 454329, 555291, 1665873, 4997619]

約数ペア:

[(1, 4997619), (3, 1665873), (9, 555291), (11, 454329), (27, 185097), (33, 151443), (71, 70389), (79, 63261), (81, 61699), (99, 50481), (213, 23463), (237, 21087), (297, 16827), (639, 7821), (711, 7029), (781, 6399), (869, 5751), (891, 5609), (1917, 2607), (2133, 2343)]