28018815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3613}}^1$

素因数の和:3679

約数の個数: 32

約数和(自身を含む): 49959936

約数和(自身を除く): 21941121

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 141, 165, 235, 517, 705, 1551, 2585, 3613, 7755, 10839, 18065, 39743, 54195, 119229, 169811, 198715, 509433, 596145, 849055, 1867921, 2547165, 5603763, 9339605, 28018815]

約数ペア:

[(1, 28018815), (3, 9339605), (5, 5603763), (11, 2547165), (15, 1867921), (33, 849055), (47, 596145), (55, 509433), (141, 198715), (165, 169811), (235, 119229), (517, 54195), (705, 39743), (1551, 18065), (2585, 10839), (3613, 7755)]