87565965

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 150254208

約数和(自身を除く): 62688243

約数列:

[1, 3, 5, 15, 19, 57, 95, 103, 157, 285, 309, 361, 471, 515, 785, 1083, 1545, 1805, 1957, 2355, 2983, 5415, 5871, 8949, 9785, 14915, 16171, 29355, 37183, 44745, 48513, 56677, 80855, 111549, 170031, 185915, 242565, 283385, 307249, 557745, 850155, 921747, 1536245, 4608735, 5837731, 17513193, 29188655, 87565965]

約数ペア:

[(1, 87565965), (3, 29188655), (5, 17513193), (15, 5837731), (19, 4608735), (57, 1536245), (95, 921747), (103, 850155), (157, 557745), (285, 307249), (309, 283385), (361, 242565), (471, 185915), (515, 170031), (785, 111549), (1083, 80855), (1545, 56677), (1805, 48513), (1957, 44745), (2355, 37183), (2983, 29355), (5415, 16171), (5871, 14915), (8949, 9785)]