28877871

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 43907328

約数和(自身を除く): 15029457

約数列:

[1, 3, 11, 33, 37, 67, 111, 201, 353, 407, 737, 1059, 1221, 2211, 2479, 3883, 7437, 11649, 13061, 23651, 27269, 39183, 70953, 81807, 143671, 260161, 431013, 780483, 875087, 2625261, 9625957, 28877871]

約数ペア:

[(1, 28877871), (3, 9625957), (11, 2625261), (33, 875087), (37, 780483), (67, 431013), (111, 260161), (201, 143671), (353, 81807), (407, 70953), (737, 39183), (1059, 27269), (1221, 23651), (2211, 13061), (2479, 11649), (3883, 7437)]