27651975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 49996800

約数和(自身を除く): 22344825

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 79, 195, 237, 325, 359, 395, 975, 1027, 1077, 1185, 1795, 1975, 3081, 4667, 5135, 5385, 5925, 8975, 14001, 15405, 23335, 25675, 26925, 28361, 70005, 77025, 85083, 116675, 141805, 350025, 368693, 425415, 709025, 1106079, 1843465, 2127075, 5530395, 9217325, 27651975]

約数ペア:

[(1, 27651975), (3, 9217325), (5, 5530395), (13, 2127075), (15, 1843465), (25, 1106079), (39, 709025), (65, 425415), (75, 368693), (79, 350025), (195, 141805), (237, 116675), (325, 85083), (359, 77025), (395, 70005), (975, 28361), (1027, 26925), (1077, 25675), (1185, 23335), (1795, 15405), (1975, 14001), (3081, 8975), (4667, 5925), (5135, 5385)]