210345675

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{457}}^1$

素因数の和:525

約数の個数: 72

約数和(自身を含む): 389479536

約数和(自身を除く): 179133861

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 361, 425, 457, 475, 969, 1083, 1275, 1371, 1425, 1615, 1805, 2285, 4845, 5415, 6137, 6855, 7769, 8075, 8683, 9025, 11425, 18411, 23307, 24225, 26049, 27075, 30685, 34275, 38845, 43415, 92055, 116535, 130245, 147611, 153425, 164977, 194225, 217075, 442833, 460275, 494931, 582675, 651225, 738055, 824885, 2214165, 2474655, 2804609, 3690275, 4124425, 8413827, 11070825, 12373275, 14023045, 42069135, 70115225, 210345675]

約数ペア:

[(1, 210345675), (3, 70115225), (5, 42069135), (15, 14023045), (17, 12373275), (19, 11070825), (25, 8413827), (51, 4124425), (57, 3690275), (75, 2804609), (85, 2474655), (95, 2214165), (255, 824885), (285, 738055), (323, 651225), (361, 582675), (425, 494931), (457, 460275), (475, 442833), (969, 217075), (1083, 194225), (1275, 164977), (1371, 153425), (1425, 147611), (1615, 130245), (1805, 116535), (2285, 92055), (4845, 43415), (5415, 38845), (6137, 34275), (6855, 30685), (7769, 27075), (8075, 26049), (8683, 24225), (9025, 23307), (11425, 18411)]