207960753

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{761}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 381524256

約数和(自身を除く): 173563503

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 169, 231, 273, 429, 507, 539, 637, 761, 1001, 1183, 1617, 1859, 1911, 2283, 3003, 3549, 5327, 5577, 7007, 8281, 8371, 9893, 13013, 15981, 21021, 24843, 25113, 29679, 37289, 39039, 58597, 69251, 91091, 108823, 111867, 128609, 175791, 207753, 273273, 326469, 385827, 410179, 484757, 761761, 900263, 1230537, 1414699, 1454271, 2285283, 2700789, 4244097, 5332327, 6301841, 9902893, 15996981, 18905523, 29708679, 69320251, 207960753]

約数ペア:

[(1, 207960753), (3, 69320251), (7, 29708679), (11, 18905523), (13, 15996981), (21, 9902893), (33, 6301841), (39, 5332327), (49, 4244097), (77, 2700789), (91, 2285283), (143, 1454271), (147, 1414699), (169, 1230537), (231, 900263), (273, 761761), (429, 484757), (507, 410179), (539, 385827), (637, 326469), (761, 273273), (1001, 207753), (1183, 175791), (1617, 128609), (1859, 111867), (1911, 108823), (2283, 91091), (3003, 69251), (3549, 58597), (5327, 39039), (5577, 37289), (7007, 29679), (8281, 25113), (8371, 24843), (9893, 21021), (13013, 15981)]