28036875

素因数分解:

$3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 49234240

約数和(自身を除く): 21197365

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 625, 787, 1425, 1875, 2361, 2375, 3935, 7125, 11805, 11875, 14953, 19675, 35625, 44859, 59025, 74765, 98375, 224295, 295125, 373825, 491875, 1121475, 1475625, 1869125, 5607375, 9345625, 28036875]

約数ペア:

[(1, 28036875), (3, 9345625), (5, 5607375), (15, 1869125), (19, 1475625), (25, 1121475), (57, 491875), (75, 373825), (95, 295125), (125, 224295), (285, 98375), (375, 74765), (475, 59025), (625, 44859), (787, 35625), (1425, 19675), (1875, 14953), (2361, 11875), (2375, 11805), (3935, 7125)]