72142245

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{25447}}^1$

素因数の和:25471

約数の個数: 40

約数和(自身を含む): 147801984

約数和(自身を除く): 75659739

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 25447, 76341, 127235, 178129, 229023, 381705, 534387, 687069, 890645, 1145115, 1603161, 2061207, 2671935, 3435345, 4809483, 8015805, 10306035, 14428449, 24047415, 72142245]

約数ペア:

[(1, 72142245), (3, 24047415), (5, 14428449), (7, 10306035), (9, 8015805), (15, 4809483), (21, 3435345), (27, 2671935), (35, 2061207), (45, 1603161), (63, 1145115), (81, 890645), (105, 687069), (135, 534387), (189, 381705), (315, 229023), (405, 178129), (567, 127235), (945, 76341), (2835, 25447)]