64878825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4139}}^1$

素因数の和:4182

約数の個数: 48

約数和(自身を含む): 123206400

約数和(自身を除く): 58327575

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1425, 3135, 4139, 5225, 12417, 15675, 20695, 45529, 62085, 78641, 103475, 136587, 227645, 235923, 310425, 393205, 682935, 865051, 1138225, 1179615, 1966025, 2595153, 3414675, 4325255, 5898075, 12975765, 21626275, 64878825]

約数ペア:

[(1, 64878825), (3, 21626275), (5, 12975765), (11, 5898075), (15, 4325255), (19, 3414675), (25, 2595153), (33, 1966025), (55, 1179615), (57, 1138225), (75, 865051), (95, 682935), (165, 393205), (209, 310425), (275, 235923), (285, 227645), (475, 136587), (627, 103475), (825, 78641), (1045, 62085), (1425, 45529), (3135, 20695), (4139, 15675), (5225, 12417)]