170221293

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 277160832

約数和(自身を除く): 106939539

約数列:

[1, 3, 9, 11, 33, 61, 71, 99, 183, 213, 397, 549, 639, 671, 781, 1191, 2013, 2343, 3573, 4331, 4367, 6039, 7029, 12993, 13101, 24217, 28187, 38979, 39303, 47641, 72651, 84561, 142923, 217953, 253683, 266387, 310057, 428769, 799161, 930171, 1719407, 2397483, 2790513, 5158221, 15474663, 18913477, 56740431, 170221293]

約数ペア:

[(1, 170221293), (3, 56740431), (9, 18913477), (11, 15474663), (33, 5158221), (61, 2790513), (71, 2397483), (99, 1719407), (183, 930171), (213, 799161), (397, 428769), (549, 310057), (639, 266387), (671, 253683), (781, 217953), (1191, 142923), (2013, 84561), (2343, 72651), (3573, 47641), (4331, 39303), (4367, 38979), (6039, 28187), (7029, 24217), (12993, 13101)]