520871013

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{541}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 841097280

約数和(自身を除く): 320226267

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 211, 351, 507, 541, 633, 1521, 1623, 1899, 2743, 4563, 4869, 5697, 7033, 8229, 14607, 21099, 24687, 35659, 63297, 74061, 91429, 106977, 114151, 189891, 274287, 320931, 342453, 822861, 962793, 1027359, 1483963, 2468583, 3082077, 4451889, 13355667, 19291519, 40067001, 57874557, 173623671, 520871013]

約数ペア:

[(1, 520871013), (3, 173623671), (9, 57874557), (13, 40067001), (27, 19291519), (39, 13355667), (117, 4451889), (169, 3082077), (211, 2468583), (351, 1483963), (507, 1027359), (541, 962793), (633, 822861), (1521, 342453), (1623, 320931), (1899, 274287), (2743, 189891), (4563, 114151), (4869, 106977), (5697, 91429), (7033, 74061), (8229, 63297), (14607, 35659), (21099, 24687)]