201728007

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 325092768

約数和(自身を除く): 123364761

約数列:

[1, 3, 9, 13, 39, 43, 101, 117, 129, 303, 387, 397, 559, 909, 1191, 1313, 1677, 3573, 3939, 4343, 5031, 5161, 11817, 13029, 15483, 17071, 39087, 40097, 46449, 51213, 56459, 120291, 153639, 169377, 221923, 360873, 508131, 521261, 665769, 1563783, 1724171, 1997307, 4691349, 5172513, 15517539, 22414223, 67242669, 201728007]

約数ペア:

[(1, 201728007), (3, 67242669), (9, 22414223), (13, 15517539), (39, 5172513), (43, 4691349), (101, 1997307), (117, 1724171), (129, 1563783), (303, 665769), (387, 521261), (397, 508131), (559, 360873), (909, 221923), (1191, 169377), (1313, 153639), (1677, 120291), (3573, 56459), (3939, 51213), (4343, 46449), (5031, 40097), (5161, 39087), (11817, 17071), (13029, 15483)]