205429005

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{29077}}^1$

素因数の和:29245

約数の個数: 24

約数和(自身を含む): 358357272

約数和(自身を除く): 152928267

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 29077, 87231, 145385, 261693, 436155, 1308465, 4565089, 13695267, 22825445, 41085801, 68476335, 205429005]

約数ペア:

[(1, 205429005), (3, 68476335), (5, 41085801), (9, 22825445), (15, 13695267), (45, 4565089), (157, 1308465), (471, 436155), (785, 261693), (1413, 145385), (2355, 87231), (7065, 29077)]