15982125

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 29652480

約数和(自身を除く): 13670355

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 109, 115, 125, 255, 327, 345, 375, 391, 425, 545, 575, 1173, 1275, 1635, 1725, 1853, 1955, 2125, 2507, 2725, 2875, 5559, 5865, 6375, 7521, 8175, 8625, 9265, 9775, 12535, 13625, 27795, 29325, 37605, 40875, 42619, 46325, 48875, 62675, 127857, 138975, 146625, 188025, 213095, 231625, 313375, 639285, 694875, 940125, 1065475, 3196425, 5327375, 15982125]

約数ペア:

[(1, 15982125), (3, 5327375), (5, 3196425), (15, 1065475), (17, 940125), (23, 694875), (25, 639285), (51, 313375), (69, 231625), (75, 213095), (85, 188025), (109, 146625), (115, 138975), (125, 127857), (255, 62675), (327, 48875), (345, 46325), (375, 42619), (391, 40875), (425, 37605), (545, 29325), (575, 27795), (1173, 13625), (1275, 12535), (1635, 9775), (1725, 9265), (1853, 8625), (1955, 8175), (2125, 7521), (2507, 6375), (2725, 5865), (2875, 5559)]