81321318

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{2081}}^1$

素因数の和:2269

約数の個数: 48

約数和(自身を含む): 190977696

約数和(自身を除く): 109656378

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 167, 234, 334, 501, 1002, 1503, 2081, 2171, 3006, 4162, 4342, 6243, 6513, 12486, 13026, 18729, 19539, 27053, 37458, 39078, 54106, 81159, 162318, 243477, 347527, 486954, 695054, 1042581, 2085162, 3127743, 4517851, 6255486, 9035702, 13553553, 27107106, 40660659, 81321318]

約数ペア:

[(1, 81321318), (2, 40660659), (3, 27107106), (6, 13553553), (9, 9035702), (13, 6255486), (18, 4517851), (26, 3127743), (39, 2085162), (78, 1042581), (117, 695054), (167, 486954), (234, 347527), (334, 243477), (501, 162318), (1002, 81159), (1503, 54106), (2081, 39078), (2171, 37458), (3006, 27053), (4162, 19539), (4342, 18729), (6243, 13026), (6513, 12486)]