2161804029

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{659}}^1\times {\mathrm{1291}}^1$

素因数の和:1982

約数の個数: 48

約数和(自身を含む): 3629176320

約数和(自身を除く): 1467372291

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 659, 847, 1291, 1977, 2541, 3873, 4613, 7249, 9037, 13839, 14201, 21747, 27111, 42603, 50743, 79739, 99407, 152229, 156211, 239217, 298221, 468633, 558173, 850769, 1093477, 1674519, 2552307, 3280431, 5955383, 9358459, 17866149, 28075377, 65509213, 102943049, 196527639, 308829147, 720601343, 2161804029]

約数ペア:

[(1, 2161804029), (3, 720601343), (7, 308829147), (11, 196527639), (21, 102943049), (33, 65509213), (77, 28075377), (121, 17866149), (231, 9358459), (363, 5955383), (659, 3280431), (847, 2552307), (1291, 1674519), (1977, 1093477), (2541, 850769), (3873, 558173), (4613, 468633), (7249, 298221), (9037, 239217), (13839, 156211), (14201, 152229), (21747, 99407), (27111, 79739), (42603, 50743)]