289751553

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1044

約数の個数: 96

約数和(自身を含む): 569963520

約数和(自身を除く): 280211967

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 49, 51, 63, 91, 117, 119, 147, 153, 189, 221, 273, 351, 357, 441, 459, 637, 663, 819, 833, 991, 1071, 1323, 1547, 1911, 1989, 2457, 2499, 2973, 3213, 4641, 5733, 5967, 6937, 7497, 8919, 10829, 12883, 13923, 16847, 17199, 20811, 22491, 26757, 32487, 38649, 41769, 48559, 50541, 62433, 90181, 97461, 115947, 117929, 145677, 151623, 187299, 219011, 270543, 292383, 347841, 353787, 437031, 454869, 631267, 657033, 811629, 825503, 1061361, 1311093, 1533077, 1893801, 1971099, 2434887, 2476509, 3184083, 4599231, 5681403, 5913297, 7429527, 10731539, 13797693, 17044209, 22288581, 32194617, 41393079, 96583851, 289751553]

約数ペア:

[(1, 289751553), (3, 96583851), (7, 41393079), (9, 32194617), (13, 22288581), (17, 17044209), (21, 13797693), (27, 10731539), (39, 7429527), (49, 5913297), (51, 5681403), (63, 4599231), (91, 3184083), (117, 2476509), (119, 2434887), (147, 1971099), (153, 1893801), (189, 1533077), (221, 1311093), (273, 1061361), (351, 825503), (357, 811629), (441, 657033), (459, 631267), (637, 454869), (663, 437031), (819, 353787), (833, 347841), (991, 292383), (1071, 270543), (1323, 219011), (1547, 187299), (1911, 151623), (1989, 145677), (2457, 117929), (2499, 115947), (2973, 97461), (3213, 90181), (4641, 62433), (5733, 50541), (5967, 48559), (6937, 41769), (7497, 38649), (8919, 32487), (10829, 26757), (12883, 22491), (13923, 20811), (16847, 17199)]