3987711

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:573

約数の個数: 40

約数和(自身を含む): 7345184

約数和(自身を除く): 3357473

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 541, 567, 819, 1053, 1623, 2457, 3787, 4869, 7033, 7371, 11361, 14607, 21099, 34083, 43821, 49231, 63297, 102249, 147693, 189891, 306747, 443079, 569673, 1329237, 3987711]

約数ペア:

[(1, 3987711), (3, 1329237), (7, 569673), (9, 443079), (13, 306747), (21, 189891), (27, 147693), (39, 102249), (63, 63297), (81, 49231), (91, 43821), (117, 34083), (189, 21099), (273, 14607), (351, 11361), (541, 7371), (567, 7033), (819, 4869), (1053, 3787), (1623, 2457)]