28650525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 52389504

約数和(自身を除く): 23738979

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 255, 345, 391, 425, 575, 977, 1173, 1275, 1725, 1955, 2931, 4885, 5865, 9775, 14655, 16609, 22471, 24425, 29325, 49827, 67413, 73275, 83045, 112355, 249135, 337065, 382007, 415225, 561775, 1146021, 1245675, 1685325, 1910035, 5730105, 9550175, 28650525]

約数ペア:

[(1, 28650525), (3, 9550175), (5, 5730105), (15, 1910035), (17, 1685325), (23, 1245675), (25, 1146021), (51, 561775), (69, 415225), (75, 382007), (85, 337065), (115, 249135), (255, 112355), (345, 83045), (391, 73275), (425, 67413), (575, 49827), (977, 29325), (1173, 24425), (1275, 22471), (1725, 16609), (1955, 14655), (2931, 9775), (4885, 5865)]