61401249

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 112669440

約数和(自身を除く): 51268191

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 73, 79, 91, 117, 169, 219, 237, 273, 507, 511, 553, 657, 711, 819, 949, 1027, 1183, 1521, 1533, 1659, 2847, 3081, 3549, 4599, 4977, 5767, 6643, 7189, 8541, 9243, 10647, 12337, 13351, 17301, 19929, 21567, 37011, 40053, 40369, 51903, 59787, 64701, 74971, 86359, 93457, 111033, 120159, 121107, 224913, 259077, 280371, 363321, 524797, 674739, 777231, 841113, 974623, 1574391, 2923869, 4723173, 6822361, 8771607, 20467083, 61401249]

約数ペア:

[(1, 61401249), (3, 20467083), (7, 8771607), (9, 6822361), (13, 4723173), (21, 2923869), (39, 1574391), (63, 974623), (73, 841113), (79, 777231), (91, 674739), (117, 524797), (169, 363321), (219, 280371), (237, 259077), (273, 224913), (507, 121107), (511, 120159), (553, 111033), (657, 93457), (711, 86359), (819, 74971), (949, 64701), (1027, 59787), (1183, 51903), (1521, 40369), (1533, 40053), (1659, 37011), (2847, 21567), (3081, 19929), (3549, 17301), (4599, 13351), (4977, 12337), (5767, 10647), (6643, 9243), (7189, 8541)]