81401292

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1423}}^1$

素因数の和:1667

約数の個数: 72

約数和(自身を含む): 236361216

約数和(自身を除く): 154959924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 227, 252, 454, 681, 908, 1362, 1423, 1589, 2043, 2724, 2846, 3178, 4086, 4269, 4767, 5692, 6356, 8172, 8538, 9534, 9961, 12807, 14301, 17076, 19068, 19922, 25614, 28602, 29883, 39844, 51228, 57204, 59766, 89649, 119532, 179298, 323021, 358596, 646042, 969063, 1292084, 1938126, 2261147, 2907189, 3876252, 4522294, 5814378, 6783441, 9044588, 11628756, 13566882, 20350323, 27133764, 40700646, 81401292]

約数ペア:

[(1, 81401292), (2, 40700646), (3, 27133764), (4, 20350323), (6, 13566882), (7, 11628756), (9, 9044588), (12, 6783441), (14, 5814378), (18, 4522294), (21, 3876252), (28, 2907189), (36, 2261147), (42, 1938126), (63, 1292084), (84, 969063), (126, 646042), (227, 358596), (252, 323021), (454, 179298), (681, 119532), (908, 89649), (1362, 59766), (1423, 57204), (1589, 51228), (2043, 39844), (2724, 29883), (2846, 28602), (3178, 25614), (4086, 19922), (4269, 19068), (4767, 17076), (5692, 14301), (6356, 12807), (8172, 9961), (8538, 9534)]