28394265

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1487}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 48568320

約数和(自身を除く): 20174055

約数列:

[1, 3, 5, 15, 19, 57, 67, 95, 201, 285, 335, 1005, 1273, 1487, 3819, 4461, 6365, 7435, 19095, 22305, 28253, 84759, 99629, 141265, 298887, 423795, 498145, 1494435, 1892951, 5678853, 9464755, 28394265]

約数ペア:

[(1, 28394265), (3, 9464755), (5, 5678853), (15, 1892951), (19, 1494435), (57, 498145), (67, 423795), (95, 298887), (201, 141265), (285, 99629), (335, 84759), (1005, 28253), (1273, 22305), (1487, 19095), (3819, 7435), (4461, 6365)]