80987823

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1187}}^1$

素因数の和:1241

約数の個数: 48

約数和(自身を含む): 144840960

約数和(自身を除く): 63853137

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 361, 399, 513, 1083, 1187, 1197, 2527, 3249, 3561, 3591, 7581, 8309, 9747, 10683, 22553, 22743, 24927, 32049, 67659, 68229, 74781, 157871, 202977, 224343, 428507, 473613, 608931, 1285521, 1420839, 2999549, 3856563, 4262517, 8998647, 11569689, 26995941, 80987823]

約数ペア:

[(1, 80987823), (3, 26995941), (7, 11569689), (9, 8998647), (19, 4262517), (21, 3856563), (27, 2999549), (57, 1420839), (63, 1285521), (133, 608931), (171, 473613), (189, 428507), (361, 224343), (399, 202977), (513, 157871), (1083, 74781), (1187, 68229), (1197, 67659), (2527, 32049), (3249, 24927), (3561, 22743), (3591, 22553), (7581, 10683), (8309, 9747)]