222470721

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 382053672

約数和(自身を除く): 159582951

約数列:

[1, 3, 9, 11, 17, 33, 51, 61, 99, 121, 153, 183, 187, 197, 363, 549, 561, 591, 671, 1037, 1089, 1683, 1773, 2013, 2057, 2167, 3111, 3349, 6039, 6171, 6501, 7381, 9333, 10047, 11407, 12017, 18513, 19503, 22143, 23837, 30141, 34221, 36051, 36839, 66429, 71511, 102663, 108153, 110517, 125477, 132187, 204289, 214533, 331551, 376431, 396561, 405229, 612867, 1129293, 1189683, 1215687, 1454057, 1838601, 2247179, 3647061, 4362171, 6741537, 13086513, 20224611, 24718969, 74156907, 222470721]

約数ペア:

[(1, 222470721), (3, 74156907), (9, 24718969), (11, 20224611), (17, 13086513), (33, 6741537), (51, 4362171), (61, 3647061), (99, 2247179), (121, 1838601), (153, 1454057), (183, 1215687), (187, 1189683), (197, 1129293), (363, 612867), (549, 405229), (561, 396561), (591, 376431), (671, 331551), (1037, 214533), (1089, 204289), (1683, 132187), (1773, 125477), (2013, 110517), (2057, 108153), (2167, 102663), (3111, 71511), (3349, 66429), (6039, 36839), (6171, 36051), (6501, 34221), (7381, 30141), (9333, 23837), (10047, 22143), (11407, 19503), (12017, 18513)]