489258778869

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{331}}^2\times {\mathrm{971}}^1$

素因数の和:1719

約数の個数: 72

約数和(自身を含む): 822055905216

約数和(自身を除く): 332797126347

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 331, 511, 657, 971, 993, 1533, 2317, 2913, 2979, 4599, 6797, 6951, 8739, 20391, 20853, 24163, 61173, 70883, 72489, 109561, 169141, 212649, 217467, 321401, 328683, 496181, 507423, 637947, 766927, 964203, 986049, 1488543, 1522269, 2249807, 2300781, 2892609, 4465629, 6749421, 6902343, 7997953, 20248263, 23462273, 23993859, 55985671, 70386819, 71981577, 106383731, 164235911, 167957013, 211160457, 319151193, 492707733, 503871039, 744686117, 957453579, 1478123199, 2234058351, 6702175053, 7766012363, 23298037089, 54362086541, 69894111267, 163086259623, 489258778869]

約数ペア:

[(1, 489258778869), (3, 163086259623), (7, 69894111267), (9, 54362086541), (21, 23298037089), (63, 7766012363), (73, 6702175053), (219, 2234058351), (331, 1478123199), (511, 957453579), (657, 744686117), (971, 503871039), (993, 492707733), (1533, 319151193), (2317, 211160457), (2913, 167957013), (2979, 164235911), (4599, 106383731), (6797, 71981577), (6951, 70386819), (8739, 55985671), (20391, 23993859), (20853, 23462273), (24163, 20248263), (61173, 7997953), (70883, 6902343), (72489, 6749421), (109561, 4465629), (169141, 2892609), (212649, 2300781), (217467, 2249807), (321401, 1522269), (328683, 1488543), (496181, 986049), (507423, 964203), (637947, 766927)]