8438727

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 12957696

約数和(自身を除く): 4518969

約数列:

[1, 3, 11, 31, 33, 73, 93, 113, 219, 339, 341, 803, 1023, 1243, 2263, 2409, 3503, 3729, 6789, 8249, 10509, 24747, 24893, 38533, 74679, 90739, 115599, 255719, 272217, 767157, 2812909, 8438727]

約数ペア:

[(1, 8438727), (3, 2812909), (11, 767157), (31, 272217), (33, 255719), (73, 115599), (93, 90739), (113, 74679), (219, 38533), (339, 24893), (341, 24747), (803, 10509), (1023, 8249), (1243, 6789), (2263, 3729), (2409, 3503)]