159721809

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{491}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 242457600

約数和(自身を除く): 82735791

約数列:

[1, 3, 13, 19, 39, 57, 247, 439, 491, 741, 1317, 1473, 5707, 6383, 8341, 9329, 17121, 19149, 25023, 27987, 108433, 121277, 215549, 325299, 363831, 646647, 2802137, 4095431, 8406411, 12286293, 53240603, 159721809]

約数ペア:

[(1, 159721809), (3, 53240603), (13, 12286293), (19, 8406411), (39, 4095431), (57, 2802137), (247, 646647), (439, 363831), (491, 325299), (741, 215549), (1317, 121277), (1473, 108433), (5707, 27987), (6383, 25023), (8341, 19149), (9329, 17121)]