78481875

素因数分解:

$3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{2203}}^1$

素因数の和:2245

約数の個数: 40

約数和(自身を含む): 137705920

約数和(自身を除く): 59224045

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 625, 1425, 1875, 2203, 2375, 6609, 7125, 11015, 11875, 33045, 35625, 41857, 55075, 125571, 165225, 209285, 275375, 627855, 826125, 1046425, 1376875, 3139275, 4130625, 5232125, 15696375, 26160625, 78481875]

約数ペア:

[(1, 78481875), (3, 26160625), (5, 15696375), (15, 5232125), (19, 4130625), (25, 3139275), (57, 1376875), (75, 1046425), (95, 826125), (125, 627855), (285, 275375), (375, 209285), (475, 165225), (625, 125571), (1425, 55075), (1875, 41857), (2203, 35625), (2375, 33045), (6609, 11875), (7125, 11015)]