28103671197

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1\times {\mathrm{2311}}^1$

素因数の和:2448

約数の個数: 96

約数和(自身を含む): 49965834240

約数和(自身を除く): 21862163043

約数列:

[1, 3, 7, 9, 21, 27, 37, 47, 63, 111, 141, 189, 259, 329, 333, 423, 777, 987, 999, 1269, 1369, 1739, 2311, 2331, 2961, 4107, 5217, 6933, 6993, 8883, 9583, 12173, 12321, 15651, 16177, 20799, 28749, 36519, 36963, 46953, 48531, 62397, 64343, 85507, 86247, 108617, 109557, 145593, 193029, 256521, 258741, 325851, 328671, 436779, 450401, 579087, 598549, 760319, 769563, 977553, 1351203, 1737261, 1795647, 2280957, 2308689, 2932659, 3163759, 4018829, 4053609, 5386941, 6842871, 9491277, 12056487, 12160827, 16160823, 20528613, 22146313, 28131803, 28473831, 36169461, 66438939, 84395409, 85421493, 108508383, 148696673, 199316817, 253186227, 446090019, 597950451, 759558681, 1040876711, 1338270057, 3122630133, 4014810171, 9367890399, 28103671197]

約数ペア:

[(1, 28103671197), (3, 9367890399), (7, 4014810171), (9, 3122630133), (21, 1338270057), (27, 1040876711), (37, 759558681), (47, 597950451), (63, 446090019), (111, 253186227), (141, 199316817), (189, 148696673), (259, 108508383), (329, 85421493), (333, 84395409), (423, 66438939), (777, 36169461), (987, 28473831), (999, 28131803), (1269, 22146313), (1369, 20528613), (1739, 16160823), (2311, 12160827), (2331, 12056487), (2961, 9491277), (4107, 6842871), (5217, 5386941), (6933, 4053609), (6993, 4018829), (8883, 3163759), (9583, 2932659), (12173, 2308689), (12321, 2280957), (15651, 1795647), (16177, 1737261), (20799, 1351203), (28749, 977553), (36519, 769563), (36963, 760319), (46953, 598549), (48531, 579087), (62397, 450401), (64343, 436779), (85507, 328671), (86247, 325851), (108617, 258741), (109557, 256521), (145593, 193029)]