28404123

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 43498752

約数和(自身を除く): 15094629

約数列:

[1, 3, 11, 33, 37, 43, 111, 129, 407, 473, 541, 1221, 1419, 1591, 1623, 4773, 5951, 17501, 17853, 20017, 23263, 52503, 60051, 69789, 220187, 255893, 660561, 767679, 860731, 2582193, 9468041, 28404123]

約数ペア:

[(1, 28404123), (3, 9468041), (11, 2582193), (33, 860731), (37, 767679), (43, 660561), (111, 255893), (129, 220187), (407, 69789), (473, 60051), (541, 52503), (1221, 23263), (1419, 20017), (1591, 17853), (1623, 17501), (4773, 5951)]