42420915

素因数分解:

$3^4\times 5^1\times {\mathrm{104743}}^1$

素因数の和:104760

約数の個数: 20

約数和(自身を含む): 76044144

約数和(自身を除く): 33623229

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 104743, 314229, 523715, 942687, 1571145, 2828061, 4713435, 8484183, 14140305, 42420915]

約数ペア:

[(1, 42420915), (3, 14140305), (5, 8484183), (9, 4713435), (15, 2828061), (27, 1571145), (45, 942687), (81, 523715), (135, 314229), (405, 104743)]