690897519

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1231}}^1$

素因数の和:1310

約数の個数: 60

約数和(自身を含む): 1145767392

約数和(自身を除く): 454869873

約数列:

[1, 3, 9, 13, 27, 39, 41, 81, 117, 123, 169, 351, 369, 507, 533, 1053, 1107, 1231, 1521, 1599, 3321, 3693, 4563, 4797, 6929, 11079, 13689, 14391, 16003, 20787, 33237, 43173, 48009, 50471, 62361, 99711, 144027, 151413, 187083, 208039, 432081, 454239, 561249, 624117, 656123, 1296243, 1362717, 1872351, 1968369, 4088151, 5617053, 5905107, 8529599, 16851159, 17715321, 25588797, 53145963, 76766391, 230299173, 690897519]

約数ペア:

[(1, 690897519), (3, 230299173), (9, 76766391), (13, 53145963), (27, 25588797), (39, 17715321), (41, 16851159), (81, 8529599), (117, 5905107), (123, 5617053), (169, 4088151), (351, 1968369), (369, 1872351), (507, 1362717), (533, 1296243), (1053, 656123), (1107, 624117), (1231, 561249), (1521, 454239), (1599, 432081), (3321, 208039), (3693, 187083), (4563, 151413), (4797, 144027), (6929, 99711), (11079, 62361), (13689, 50471), (14391, 48009), (16003, 43173), (20787, 33237)]