2153655

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:117

約数の個数: 64

約数和(自身を含む): 4561920

約数和(自身を除く): 2408265

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 53, 63, 105, 129, 135, 159, 189, 215, 265, 301, 315, 371, 387, 477, 645, 795, 903, 945, 1113, 1161, 1431, 1505, 1855, 1935, 2279, 2385, 2709, 3339, 4515, 5565, 5805, 6837, 7155, 8127, 10017, 11395, 13545, 15953, 16695, 20511, 34185, 40635, 47859, 50085, 61533, 79765, 102555, 143577, 239295, 307665, 430731, 717885, 2153655]

約数ペア:

[(1, 2153655), (3, 717885), (5, 430731), (7, 307665), (9, 239295), (15, 143577), (21, 102555), (27, 79765), (35, 61533), (43, 50085), (45, 47859), (53, 40635), (63, 34185), (105, 20511), (129, 16695), (135, 15953), (159, 13545), (189, 11395), (215, 10017), (265, 8127), (301, 7155), (315, 6837), (371, 5805), (387, 5565), (477, 4515), (645, 3339), (795, 2709), (903, 2385), (945, 2279), (1113, 1935), (1161, 1855), (1431, 1505)]