287671875

素因数分解:

$3^1\times 5^6\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:88

約数の個数: 84

約数和(自身を含む): 535774392

約数和(自身を除く): 248102517

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 125, 255, 285, 323, 361, 375, 425, 475, 625, 969, 1083, 1275, 1425, 1615, 1805, 1875, 2125, 2375, 3125, 4845, 5415, 6137, 6375, 7125, 8075, 9025, 9375, 10625, 11875, 15625, 18411, 24225, 27075, 30685, 31875, 35625, 40375, 45125, 46875, 53125, 59375, 92055, 121125, 135375, 153425, 159375, 178125, 201875, 225625, 265625, 296875, 460275, 605625, 676875, 767125, 796875, 890625, 1009375, 1128125, 2301375, 3028125, 3384375, 3835625, 5046875, 5640625, 11506875, 15140625, 16921875, 19178125, 57534375, 95890625, 287671875]

約数ペア:

[(1, 287671875), (3, 95890625), (5, 57534375), (15, 19178125), (17, 16921875), (19, 15140625), (25, 11506875), (51, 5640625), (57, 5046875), (75, 3835625), (85, 3384375), (95, 3028125), (125, 2301375), (255, 1128125), (285, 1009375), (323, 890625), (361, 796875), (375, 767125), (425, 676875), (475, 605625), (625, 460275), (969, 296875), (1083, 265625), (1275, 225625), (1425, 201875), (1615, 178125), (1805, 159375), (1875, 153425), (2125, 135375), (2375, 121125), (3125, 92055), (4845, 59375), (5415, 53125), (6137, 46875), (6375, 45125), (7125, 40375), (8075, 35625), (9025, 31875), (9375, 30685), (10625, 27075), (11875, 24225), (15625, 18411)]