19683405

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 41399424

約数和(自身を除く): 21716019

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 53, 63, 81, 105, 131, 135, 159, 189, 265, 315, 371, 393, 405, 477, 567, 655, 795, 917, 945, 1113, 1179, 1431, 1855, 1965, 2385, 2751, 2835, 3339, 3537, 4293, 4585, 5565, 5895, 6943, 7155, 8253, 10017, 10611, 13755, 16695, 17685, 20829, 21465, 24759, 30051, 34715, 41265, 48601, 50085, 53055, 62487, 74277, 104145, 123795, 145803, 150255, 187461, 243005, 312435, 371385, 437409, 562383, 729015, 937305, 1312227, 2187045, 2811915, 3936681, 6561135, 19683405]

約数ペア:

[(1, 19683405), (3, 6561135), (5, 3936681), (7, 2811915), (9, 2187045), (15, 1312227), (21, 937305), (27, 729015), (35, 562383), (45, 437409), (53, 371385), (63, 312435), (81, 243005), (105, 187461), (131, 150255), (135, 145803), (159, 123795), (189, 104145), (265, 74277), (315, 62487), (371, 53055), (393, 50085), (405, 48601), (477, 41265), (567, 34715), (655, 30051), (795, 24759), (917, 21465), (945, 20829), (1113, 17685), (1179, 16695), (1431, 13755), (1855, 10611), (1965, 10017), (2385, 8253), (2751, 7155), (2835, 6943), (3339, 5895), (3537, 5565), (4293, 4585)]