378198015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{7727}}^1$

素因数の和:7999

約数の個数: 32

約数和(自身を含む): 654345216

約数和(自身を除く): 276147201

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 251, 753, 1255, 3263, 3765, 7727, 9789, 16315, 23181, 38635, 48945, 100451, 115905, 301353, 502255, 1506765, 1939477, 5818431, 9697385, 25213201, 29092155, 75639603, 126066005, 378198015]

約数ペア:

[(1, 378198015), (3, 126066005), (5, 75639603), (13, 29092155), (15, 25213201), (39, 9697385), (65, 5818431), (195, 1939477), (251, 1506765), (753, 502255), (1255, 301353), (3263, 115905), (3765, 100451), (7727, 48945), (9789, 38635), (16315, 23181)]