217322883

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61757}}^1$

素因数の和:61803

約数の個数: 24

約数和(自身を含む): 346832928

約数和(自身を除く): 129510045

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 61757, 185271, 555813, 1049869, 1420411, 3149607, 4261233, 9448821, 12783699, 24146987, 72440961, 217322883]

約数ペア:

[(1, 217322883), (3, 72440961), (9, 24146987), (17, 12783699), (23, 9448821), (51, 4261233), (69, 3149607), (153, 1420411), (207, 1049869), (391, 555813), (1173, 185271), (3519, 61757)]