26528085

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 51352704

約数和(自身を除く): 24824619

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 71, 95, 115, 171, 207, 213, 285, 345, 355, 361, 437, 639, 855, 1035, 1065, 1083, 1311, 1349, 1633, 1805, 2185, 3195, 3249, 3933, 4047, 4899, 5415, 6555, 6745, 8165, 8303, 12141, 14697, 16245, 19665, 20235, 24495, 24909, 25631, 31027, 41515, 60705, 73485, 74727, 76893, 93081, 124545, 128155, 155135, 230679, 279243, 373635, 384465, 465405, 589513, 1153395, 1396215, 1768539, 2947565, 5305617, 8842695, 26528085]

約数ペア:

[(1, 26528085), (3, 8842695), (5, 5305617), (9, 2947565), (15, 1768539), (19, 1396215), (23, 1153395), (45, 589513), (57, 465405), (69, 384465), (71, 373635), (95, 279243), (115, 230679), (171, 155135), (207, 128155), (213, 124545), (285, 93081), (345, 76893), (355, 74727), (361, 73485), (437, 60705), (639, 41515), (855, 31027), (1035, 25631), (1065, 24909), (1083, 24495), (1311, 20235), (1349, 19665), (1633, 16245), (1805, 14697), (2185, 12141), (3195, 8303), (3249, 8165), (3933, 6745), (4047, 6555), (4899, 5415)]