27751875

素因数分解:

$3^1\times 5^4\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 60

約数和(自身を含む): 49990248

約数和(自身を除く): 22238373

約数列:

[1, 3, 5, 15, 19, 25, 41, 57, 75, 95, 123, 125, 205, 285, 361, 375, 475, 615, 625, 779, 1025, 1083, 1425, 1805, 1875, 2337, 2375, 3075, 3895, 5125, 5415, 7125, 9025, 11685, 11875, 14801, 15375, 19475, 25625, 27075, 35625, 44403, 45125, 58425, 74005, 76875, 97375, 135375, 222015, 225625, 292125, 370025, 486875, 676875, 1110075, 1460625, 1850125, 5550375, 9250625, 27751875]

約数ペア:

[(1, 27751875), (3, 9250625), (5, 5550375), (15, 1850125), (19, 1460625), (25, 1110075), (41, 676875), (57, 486875), (75, 370025), (95, 292125), (123, 225625), (125, 222015), (205, 135375), (285, 97375), (361, 76875), (375, 74005), (475, 58425), (615, 45125), (625, 44403), (779, 35625), (1025, 27075), (1083, 25625), (1425, 19475), (1805, 15375), (1875, 14801), (2337, 11875), (2375, 11685), (3075, 9025), (3895, 7125), (5125, 5415)]