81995265

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1097}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 156214656

約数和(自身を除く): 74219391

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 151, 165, 453, 495, 755, 1097, 1359, 1661, 2265, 3291, 4983, 5485, 6795, 8305, 9873, 12067, 14949, 16455, 24915, 36201, 49365, 60335, 74745, 108603, 165647, 181005, 496941, 543015, 828235, 1490823, 1822117, 2484705, 5466351, 7454115, 9110585, 16399053, 27331755, 81995265]

約数ペア:

[(1, 81995265), (3, 27331755), (5, 16399053), (9, 9110585), (11, 7454115), (15, 5466351), (33, 2484705), (45, 1822117), (55, 1490823), (99, 828235), (151, 543015), (165, 496941), (453, 181005), (495, 165647), (755, 108603), (1097, 74745), (1359, 60335), (1661, 49365), (2265, 36201), (3291, 24915), (4983, 16455), (5485, 14949), (6795, 12067), (8305, 9873)]