81432414

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{5431}}^1$

素因数の和:5470

約数の個数: 72

約数和(自身を含む): 217356048

約数和(自身を除く): 135923634

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 49, 51, 63, 98, 102, 119, 126, 147, 153, 238, 294, 306, 357, 441, 714, 833, 882, 1071, 1666, 2142, 2499, 4998, 5431, 7497, 10862, 14994, 16293, 32586, 38017, 48879, 76034, 92327, 97758, 114051, 184654, 228102, 266119, 276981, 342153, 532238, 553962, 646289, 684306, 798357, 830943, 1292578, 1596714, 1661886, 1938867, 2395071, 3877734, 4524023, 4790142, 5816601, 9048046, 11633202, 13572069, 27144138, 40716207, 81432414]

約数ペア:

[(1, 81432414), (2, 40716207), (3, 27144138), (6, 13572069), (7, 11633202), (9, 9048046), (14, 5816601), (17, 4790142), (18, 4524023), (21, 3877734), (34, 2395071), (42, 1938867), (49, 1661886), (51, 1596714), (63, 1292578), (98, 830943), (102, 798357), (119, 684306), (126, 646289), (147, 553962), (153, 532238), (238, 342153), (294, 276981), (306, 266119), (357, 228102), (441, 184654), (714, 114051), (833, 97758), (882, 92327), (1071, 76034), (1666, 48879), (2142, 38017), (2499, 32586), (4998, 16293), (5431, 14994), (7497, 10862)]