81668286

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{3581}}^1$

素因数の和:3777

約数の個数: 48

約数和(自身を含む): 203400288

約数和(自身を除く): 121732002

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 181, 362, 543, 1086, 1267, 1629, 2534, 3258, 3581, 3801, 7162, 7602, 10743, 11403, 21486, 22806, 25067, 32229, 50134, 64458, 75201, 150402, 225603, 451206, 648161, 1296322, 1944483, 3888966, 4537127, 5833449, 9074254, 11666898, 13611381, 27222762, 40834143, 81668286]

約数ペア:

[(1, 81668286), (2, 40834143), (3, 27222762), (6, 13611381), (7, 11666898), (9, 9074254), (14, 5833449), (18, 4537127), (21, 3888966), (42, 1944483), (63, 1296322), (126, 648161), (181, 451206), (362, 225603), (543, 150402), (1086, 75201), (1267, 64458), (1629, 50134), (2534, 32229), (3258, 25067), (3581, 22806), (3801, 21486), (7162, 11403), (7602, 10743)]