55381013667

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{651641}}^1$

素因数の和:651744

約数の個数: 48

約数和(自身を含む): 97589905920

約数和(自身を除く): 42208892253

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 71, 133, 171, 213, 399, 497, 639, 1197, 1349, 1491, 4047, 4473, 9443, 12141, 28329, 84987, 651641, 1954923, 4561487, 5864769, 12381179, 13684461, 37143537, 41053383, 46266511, 86668253, 111430611, 138799533, 260004759, 323865577, 416398599, 780014277, 879063709, 971596731, 2637191127, 2914790193, 6153445963, 7911573381, 18460337889, 55381013667]

約数ペア:

[(1, 55381013667), (3, 18460337889), (7, 7911573381), (9, 6153445963), (19, 2914790193), (21, 2637191127), (57, 971596731), (63, 879063709), (71, 780014277), (133, 416398599), (171, 323865577), (213, 260004759), (399, 138799533), (497, 111430611), (639, 86668253), (1197, 46266511), (1349, 41053383), (1491, 37143537), (4047, 13684461), (4473, 12381179), (9443, 5864769), (12141, 4561487), (28329, 1954923), (84987, 651641)]