189740187

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 345316608

約数和(自身を除く): 155576421

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 71, 91, 117, 169, 213, 251, 273, 497, 507, 639, 753, 819, 923, 1183, 1491, 1521, 1757, 2259, 2769, 3263, 3549, 4473, 5271, 6461, 8307, 9789, 10647, 11999, 15813, 17821, 19383, 22841, 29367, 35997, 42419, 53463, 58149, 68523, 83993, 107991, 124747, 127257, 160389, 205569, 231673, 251979, 296933, 374241, 381771, 695019, 755937, 890799, 1122723, 1621711, 2085057, 2672397, 3011749, 4865133, 9035247, 14595399, 21082243, 27105741, 63246729, 189740187]

約数ペア:

[(1, 189740187), (3, 63246729), (7, 27105741), (9, 21082243), (13, 14595399), (21, 9035247), (39, 4865133), (63, 3011749), (71, 2672397), (91, 2085057), (117, 1621711), (169, 1122723), (213, 890799), (251, 755937), (273, 695019), (497, 381771), (507, 374241), (639, 296933), (753, 251979), (819, 231673), (923, 205569), (1183, 160389), (1491, 127257), (1521, 124747), (1757, 107991), (2259, 83993), (2769, 68523), (3263, 58149), (3549, 53463), (4473, 42419), (5271, 35997), (6461, 29367), (8307, 22841), (9789, 19383), (10647, 17821), (11999, 15813)]