393015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 760320

約数和(自身を除く): 367305

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 197, 285, 399, 591, 665, 985, 1379, 1995, 2955, 3743, 4137, 6895, 11229, 18715, 20685, 26201, 56145, 78603, 131005, 393015]

約数ペア:

[(1, 393015), (3, 131005), (5, 78603), (7, 56145), (15, 26201), (19, 20685), (21, 18715), (35, 11229), (57, 6895), (95, 4137), (105, 3743), (133, 2955), (197, 1995), (285, 1379), (399, 985), (591, 665)]