4221477

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 40

約数和(自身を含む): 7182560

約数和(自身を除く): 2961083

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 211, 247, 351, 513, 633, 741, 1053, 1539, 1899, 2223, 2743, 4009, 5697, 6669, 8229, 12027, 17091, 20007, 24687, 36081, 52117, 74061, 108243, 156351, 222183, 324729, 469053, 1407159, 4221477]

約数ペア:

[(1, 4221477), (3, 1407159), (9, 469053), (13, 324729), (19, 222183), (27, 156351), (39, 108243), (57, 74061), (81, 52117), (117, 36081), (171, 24687), (211, 20007), (247, 17091), (351, 12027), (513, 8229), (633, 6669), (741, 5697), (1053, 4009), (1539, 2743), (1899, 2223)]