28531749

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 42127360

約数和(自身を除く): 13595611

約数列:

[1, 3, 19, 31, 57, 67, 93, 201, 241, 589, 723, 1273, 1767, 2077, 3819, 4579, 6231, 7471, 13737, 16147, 22413, 39463, 48441, 118389, 141949, 306793, 425847, 500557, 920379, 1501671, 9510583, 28531749]

約数ペア:

[(1, 28531749), (3, 9510583), (19, 1501671), (31, 920379), (57, 500557), (67, 425847), (93, 306793), (201, 141949), (241, 118389), (589, 48441), (723, 39463), (1273, 22413), (1767, 16147), (2077, 13737), (3819, 7471), (4579, 6231)]