28661595

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 49743360

約数和(自身を除く): 21081765

約数列:

[1, 3, 5, 15, 19, 57, 67, 79, 95, 201, 237, 285, 335, 361, 395, 1005, 1083, 1185, 1273, 1501, 1805, 3819, 4503, 5293, 5415, 6365, 7505, 15879, 19095, 22515, 24187, 26465, 28519, 72561, 79395, 85557, 100567, 120935, 142595, 301701, 362805, 427785, 502835, 1508505, 1910773, 5732319, 9553865, 28661595]

約数ペア:

[(1, 28661595), (3, 9553865), (5, 5732319), (15, 1910773), (19, 1508505), (57, 502835), (67, 427785), (79, 362805), (95, 301701), (201, 142595), (237, 120935), (285, 100567), (335, 85557), (361, 79395), (395, 72561), (1005, 28519), (1083, 26465), (1185, 24187), (1273, 22515), (1501, 19095), (1805, 15879), (3819, 7505), (4503, 6365), (5293, 5415)]