20172097791

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{110569}}^1$

素因数の和:110840

約数の個数: 32

約数和(自身を含む): 31048056000

約数和(自身を除く): 10875958209

約数列:

[1, 3, 9, 27, 29, 87, 233, 261, 699, 783, 2097, 6291, 6757, 20271, 60813, 110569, 182439, 331707, 995121, 2985363, 3206501, 9619503, 25762577, 28858509, 77287731, 86575527, 231863193, 695589579, 747114733, 2241344199, 6724032597, 20172097791]

約数ペア:

[(1, 20172097791), (3, 6724032597), (9, 2241344199), (27, 747114733), (29, 695589579), (87, 231863193), (233, 86575527), (261, 77287731), (699, 28858509), (783, 25762577), (2097, 9619503), (6291, 3206501), (6757, 2985363), (20271, 995121), (60813, 331707), (110569, 182439)]