998223993

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 1683361680

約数和(自身を除く): 685137687

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 97, 117, 261, 291, 337, 351, 377, 783, 873, 1011, 1053, 1131, 1261, 2349, 2619, 2813, 3033, 3393, 3783, 4381, 7857, 8439, 9099, 9773, 10179, 11349, 13143, 25317, 27297, 29319, 30537, 32689, 34047, 36569, 39429, 75951, 87957, 98067, 102141, 109707, 118287, 127049, 227853, 263871, 294201, 329121, 354861, 381147, 424957, 791613, 882603, 947981, 987363, 1143441, 1274871, 2647809, 2843943, 2962089, 3430323, 3824613, 8531829, 10290969, 11473839, 12323753, 25595487, 34421517, 36971259, 76786461, 110913777, 332741331, 998223993]

約数ペア:

[(1, 998223993), (3, 332741331), (9, 110913777), (13, 76786461), (27, 36971259), (29, 34421517), (39, 25595487), (81, 12323753), (87, 11473839), (97, 10290969), (117, 8531829), (261, 3824613), (291, 3430323), (337, 2962089), (351, 2843943), (377, 2647809), (783, 1274871), (873, 1143441), (1011, 987363), (1053, 947981), (1131, 882603), (1261, 791613), (2349, 424957), (2619, 381147), (2813, 354861), (3033, 329121), (3393, 294201), (3783, 263871), (4381, 227853), (7857, 127049), (8439, 118287), (9099, 109707), (9773, 102141), (10179, 98067), (11349, 87957), (13143, 75951), (25317, 39429), (27297, 36569), (29319, 34047), (30537, 32689)]