51215135

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^2\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 36

約数和(自身を含む): 69266568

約数和(自身を除く): 18051433

約数列:

[1, 5, 17, 23, 67, 85, 115, 289, 335, 391, 529, 1139, 1445, 1541, 1955, 2645, 5695, 6647, 7705, 8993, 19363, 26197, 33235, 35443, 44965, 96815, 130985, 152881, 177215, 445349, 602531, 764405, 2226745, 3012655, 10243027, 51215135]

約数ペア:

[(1, 51215135), (5, 10243027), (17, 3012655), (23, 2226745), (67, 764405), (85, 602531), (115, 445349), (289, 177215), (335, 152881), (391, 130985), (529, 96815), (1139, 44965), (1445, 35443), (1541, 33235), (1955, 26197), (2645, 19363), (5695, 8993), (6647, 7705)]