72864519

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{419}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 122976000

約数和(自身を除く): 50111481

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 343, 419, 507, 637, 1029, 1183, 1257, 1911, 2933, 3549, 4459, 5447, 8281, 8799, 13377, 16341, 20531, 24843, 38129, 57967, 61593, 70811, 114387, 143717, 173901, 212433, 266903, 431151, 495677, 800709, 1487031, 1868321, 3469739, 5604963, 10409217, 24288173, 72864519]

約数ペア:

[(1, 72864519), (3, 24288173), (7, 10409217), (13, 5604963), (21, 3469739), (39, 1868321), (49, 1487031), (91, 800709), (147, 495677), (169, 431151), (273, 266903), (343, 212433), (419, 173901), (507, 143717), (637, 114387), (1029, 70811), (1183, 61593), (1257, 57967), (1911, 38129), (2933, 24843), (3549, 20531), (4459, 16341), (5447, 13377), (8281, 8799)]