81675930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{388933}}^1$

素因数の和:388950

約数の個数: 32

約数和(自身を含む): 224025984

約数和(自身を除く): 142350054

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 388933, 777866, 1166799, 1944665, 2333598, 2722531, 3889330, 5445062, 5833995, 8167593, 11667990, 13612655, 16335186, 27225310, 40837965, 81675930]

約数ペア:

[(1, 81675930), (2, 40837965), (3, 27225310), (5, 16335186), (6, 13612655), (7, 11667990), (10, 8167593), (14, 5833995), (15, 5445062), (21, 3889330), (30, 2722531), (35, 2333598), (42, 1944665), (70, 1166799), (105, 777866), (210, 388933)]