2785875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:77

約数の個数: 64

約数和(自身を含む): 5391360

約数和(自身を除く): 2605485

約数列:

[1, 3, 5, 15, 17, 19, 23, 25, 51, 57, 69, 75, 85, 95, 115, 125, 255, 285, 323, 345, 375, 391, 425, 437, 475, 575, 969, 1173, 1275, 1311, 1425, 1615, 1725, 1955, 2125, 2185, 2375, 2875, 4845, 5865, 6375, 6555, 7125, 7429, 8075, 8625, 9775, 10925, 22287, 24225, 29325, 32775, 37145, 40375, 48875, 54625, 111435, 121125, 146625, 163875, 185725, 557175, 928625, 2785875]

約数ペア:

[(1, 2785875), (3, 928625), (5, 557175), (15, 185725), (17, 163875), (19, 146625), (23, 121125), (25, 111435), (51, 54625), (57, 48875), (69, 40375), (75, 37145), (85, 32775), (95, 29325), (115, 24225), (125, 22287), (255, 10925), (285, 9775), (323, 8625), (345, 8075), (375, 7429), (391, 7125), (425, 6555), (437, 6375), (475, 5865), (575, 4845), (969, 2875), (1173, 2375), (1275, 2185), (1311, 2125), (1425, 1955), (1615, 1725)]