28926525

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 51246720

約数和(自身を除く): 22320195

約数列:

[1, 3, 5, 15, 23, 25, 41, 69, 75, 115, 123, 205, 345, 409, 575, 615, 943, 1025, 1227, 1725, 2045, 2829, 3075, 4715, 6135, 9407, 10225, 14145, 16769, 23575, 28221, 30675, 47035, 50307, 70725, 83845, 141105, 235175, 251535, 385687, 419225, 705525, 1157061, 1257675, 1928435, 5785305, 9642175, 28926525]

約数ペア:

[(1, 28926525), (3, 9642175), (5, 5785305), (15, 1928435), (23, 1257675), (25, 1157061), (41, 705525), (69, 419225), (75, 385687), (115, 251535), (123, 235175), (205, 141105), (345, 83845), (409, 70725), (575, 50307), (615, 47035), (943, 30675), (1025, 28221), (1227, 23575), (1725, 16769), (2045, 14145), (2829, 10225), (3075, 9407), (4715, 6135)]