2019049821

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{971}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 3113510400

約数和(自身を除く): 1094460579

約数列:

[1, 3, 9, 27, 43, 81, 129, 199, 243, 387, 597, 971, 1161, 1791, 2913, 3483, 5373, 8557, 8739, 10449, 16119, 25671, 26217, 41753, 48357, 77013, 78651, 125259, 193229, 231039, 235953, 375777, 579687, 693117, 1127331, 1739061, 2079351, 3381993, 5217183, 8308847, 10145979, 15651549, 24926541, 46954647, 74779623, 224338869, 673016607, 2019049821]

約数ペア:

[(1, 2019049821), (3, 673016607), (9, 224338869), (27, 74779623), (43, 46954647), (81, 24926541), (129, 15651549), (199, 10145979), (243, 8308847), (387, 5217183), (597, 3381993), (971, 2079351), (1161, 1739061), (1791, 1127331), (2913, 693117), (3483, 579687), (5373, 375777), (8557, 235953), (8739, 231039), (10449, 193229), (16119, 125259), (25671, 78651), (26217, 77013), (41753, 48357)]