630147195

素因数分解:

$3^4\times 5^1\times {\mathrm{1555919}}^1$

素因数の和:1555936

約数の個数: 20

約数和(自身を含む): 1129597920

約数和(自身を除く): 499450725

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1555919, 4667757, 7779595, 14003271, 23338785, 42009813, 70016355, 126029439, 210049065, 630147195]

約数ペア:

[(1, 630147195), (3, 210049065), (5, 126029439), (9, 70016355), (15, 42009813), (27, 23338785), (45, 14003271), (81, 7779595), (135, 4667757), (405, 1555919)]