2199915

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 4193280

約数和(自身を除く): 1993365

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 83, 93, 95, 155, 171, 249, 279, 285, 415, 465, 589, 747, 855, 1245, 1395, 1577, 1767, 2573, 2945, 3735, 4731, 5301, 7719, 7885, 8835, 12865, 14193, 23157, 23655, 26505, 38595, 48887, 70965, 115785, 146661, 244435, 439983, 733305, 2199915]

約数ペア:

[(1, 2199915), (3, 733305), (5, 439983), (9, 244435), (15, 146661), (19, 115785), (31, 70965), (45, 48887), (57, 38595), (83, 26505), (93, 23655), (95, 23157), (155, 14193), (171, 12865), (249, 8835), (279, 7885), (285, 7719), (415, 5301), (465, 4731), (589, 3735), (747, 2945), (855, 2573), (1245, 1767), (1395, 1577)]