203215419

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 348364800

約数和(自身を除く): 145149381

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 71, 99, 207, 213, 253, 297, 419, 621, 639, 759, 781, 1257, 1633, 1917, 2277, 2343, 3771, 4609, 4899, 6831, 7029, 9637, 11313, 13827, 14697, 17963, 21087, 28911, 29749, 41481, 44091, 53889, 86733, 89247, 106007, 124443, 161667, 260199, 267741, 318021, 327239, 485001, 684227, 803223, 954063, 981717, 2052681, 2862189, 2945151, 6158043, 7526497, 8835453, 18474129, 22579491, 67738473, 203215419]

約数ペア:

[(1, 203215419), (3, 67738473), (9, 22579491), (11, 18474129), (23, 8835453), (27, 7526497), (33, 6158043), (69, 2945151), (71, 2862189), (99, 2052681), (207, 981717), (213, 954063), (253, 803223), (297, 684227), (419, 485001), (621, 327239), (639, 318021), (759, 267741), (781, 260199), (1257, 161667), (1633, 124443), (1917, 106007), (2277, 89247), (2343, 86733), (3771, 53889), (4609, 44091), (4899, 41481), (6831, 29749), (7029, 28911), (9637, 21087), (11313, 17963), (13827, 14697)]