30721758

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{70141}}^1$

素因数の和:70219

約数の個数: 16

約数和(自身を含む): 62286096

約数和(自身を除く): 31564338

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 70141, 140282, 210423, 420846, 5120293, 10240586, 15360879, 30721758]

約数ペア:

[(1, 30721758), (2, 15360879), (3, 10240586), (6, 5120293), (73, 420846), (146, 210423), (219, 140282), (438, 70141)]