28008375

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{3931}}^1$

素因数の和:3968

約数の個数: 32

約数和(自身を含む): 49071360

約数和(自身を除く): 21062985

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 1425, 2375, 3931, 7125, 11793, 19655, 58965, 74689, 98275, 224067, 294825, 373445, 491375, 1120335, 1474125, 1867225, 5601675, 9336125, 28008375]

約数ペア:

[(1, 28008375), (3, 9336125), (5, 5601675), (15, 1867225), (19, 1474125), (25, 1120335), (57, 491375), (75, 373445), (95, 294825), (125, 224067), (285, 98275), (375, 74689), (475, 58965), (1425, 19655), (2375, 11793), (3931, 7125)]