81157854

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 173644560

約数和(自身を除く): 92486706

約数列:

[1, 2, 3, 6, 19, 38, 57, 89, 114, 178, 267, 361, 421, 534, 722, 842, 1083, 1263, 1691, 2166, 2526, 3382, 5073, 7999, 10146, 15998, 23997, 32129, 37469, 47994, 64258, 74938, 96387, 112407, 151981, 192774, 224814, 303962, 455943, 711911, 911886, 1423822, 2135733, 4271466, 13526309, 27052618, 40578927, 81157854]

約数ペア:

[(1, 81157854), (2, 40578927), (3, 27052618), (6, 13526309), (19, 4271466), (38, 2135733), (57, 1423822), (89, 911886), (114, 711911), (178, 455943), (267, 303962), (361, 224814), (421, 192774), (534, 151981), (722, 112407), (842, 96387), (1083, 74938), (1263, 64258), (1691, 47994), (2166, 37469), (2526, 32129), (3382, 23997), (5073, 15998), (7999, 10146)]