8352981

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 15934464

約数和(自身を除く): 7581483

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 47, 49, 63, 91, 93, 117, 141, 147, 217, 273, 279, 329, 403, 423, 441, 611, 637, 651, 819, 987, 1209, 1457, 1519, 1833, 1911, 1953, 2303, 2821, 2961, 3627, 4277, 4371, 4557, 5499, 5733, 6909, 8463, 10199, 12831, 13113, 13671, 18941, 19747, 20727, 25389, 29939, 30597, 38493, 56823, 59241, 71393, 89817, 91791, 132587, 170469, 177723, 214179, 269451, 397761, 642537, 928109, 1193283, 2784327, 8352981]

約数ペア:

[(1, 8352981), (3, 2784327), (7, 1193283), (9, 928109), (13, 642537), (21, 397761), (31, 269451), (39, 214179), (47, 177723), (49, 170469), (63, 132587), (91, 91791), (93, 89817), (117, 71393), (141, 59241), (147, 56823), (217, 38493), (273, 30597), (279, 29939), (329, 25389), (403, 20727), (423, 19747), (441, 18941), (611, 13671), (637, 13113), (651, 12831), (819, 10199), (987, 8463), (1209, 6909), (1457, 5733), (1519, 5499), (1833, 4557), (1911, 4371), (1953, 4277), (2303, 3627), (2821, 2961)]