7281015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4079}}^1$

素因数の和:4111

約数の個数: 32

約数和(自身を含む): 14100480

約数和(自身を除く): 6819465

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 4079, 12237, 20395, 28553, 61185, 69343, 85659, 142765, 208029, 346715, 428295, 485401, 1040145, 1456203, 2427005, 7281015]

約数ペア:

[(1, 7281015), (3, 2427005), (5, 1456203), (7, 1040145), (15, 485401), (17, 428295), (21, 346715), (35, 208029), (51, 142765), (85, 85659), (105, 69343), (119, 61185), (255, 28553), (357, 20395), (595, 12237), (1785, 4079)]