73827825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 129991680

約数和(自身を除く): 56163855

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 103, 285, 309, 475, 503, 515, 1425, 1509, 1545, 1957, 2515, 2575, 5871, 7545, 7725, 9557, 9785, 12575, 28671, 29355, 37725, 47785, 48925, 51809, 143355, 146775, 155427, 238925, 259045, 716775, 777135, 984371, 1295225, 2953113, 3885675, 4921855, 14765565, 24609275, 73827825]

約数ペア:

[(1, 73827825), (3, 24609275), (5, 14765565), (15, 4921855), (19, 3885675), (25, 2953113), (57, 1295225), (75, 984371), (95, 777135), (103, 716775), (285, 259045), (309, 238925), (475, 155427), (503, 146775), (515, 143355), (1425, 51809), (1509, 48925), (1545, 47785), (1957, 37725), (2515, 29355), (2575, 28671), (5871, 12575), (7545, 9785), (7725, 9557)]