16997685

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 29772864

約数和(自身を除く): 12775179

約数列:

[1, 3, 5, 15, 19, 43, 57, 73, 95, 129, 215, 219, 285, 361, 365, 645, 817, 1083, 1095, 1387, 1805, 2451, 3139, 4085, 4161, 5415, 6935, 9417, 12255, 15523, 15695, 20805, 26353, 46569, 47085, 59641, 77615, 79059, 131765, 178923, 232845, 298205, 395295, 894615, 1133179, 3399537, 5665895, 16997685]

約数ペア:

[(1, 16997685), (3, 5665895), (5, 3399537), (15, 1133179), (19, 894615), (43, 395295), (57, 298205), (73, 232845), (95, 178923), (129, 131765), (215, 79059), (219, 77615), (285, 59641), (361, 47085), (365, 46569), (645, 26353), (817, 20805), (1083, 15695), (1095, 15523), (1387, 12255), (1805, 9417), (2451, 6935), (3139, 5415), (4085, 4161)]