201978465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{1567}}^1$

素因数の和:2249

約数の個数: 32

約数和(自身を含む): 348773376

約数和(自身を除く): 146794911

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 661, 1567, 1983, 3305, 4701, 7835, 8593, 9915, 20371, 23505, 25779, 42965, 61113, 101855, 128895, 305565, 1035787, 3107361, 5178935, 13465231, 15536805, 40395693, 67326155, 201978465]

約数ペア:

[(1, 201978465), (3, 67326155), (5, 40395693), (13, 15536805), (15, 13465231), (39, 5178935), (65, 3107361), (195, 1035787), (661, 305565), (1567, 128895), (1983, 101855), (3305, 61113), (4701, 42965), (7835, 25779), (8593, 23505), (9915, 20371)]