7874265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3947}}^1$

素因数の和:3981

約数の個数: 32

約数和(自身を含む): 15160320

約数和(自身を除く): 7286055

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 3947, 11841, 19735, 27629, 59205, 74993, 82887, 138145, 224979, 374965, 414435, 524951, 1124895, 1574853, 2624755, 7874265]

約数ペア:

[(1, 7874265), (3, 2624755), (5, 1574853), (7, 1124895), (15, 524951), (19, 414435), (21, 374965), (35, 224979), (57, 138145), (95, 82887), (105, 74993), (133, 59205), (285, 27629), (399, 19735), (665, 11841), (1995, 3947)]