1880778921

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{8237}}^1$

素因数の和:8461

約数の個数: 32

約数和(自身を含む): 2922974208

約数和(自身を除く): 1042195287

約数列:

[1, 3, 7, 21, 83, 131, 249, 393, 581, 917, 1743, 2751, 8237, 10873, 24711, 32619, 57659, 76111, 172977, 228333, 683671, 1079047, 2051013, 3237141, 4785697, 7553329, 14357091, 22659987, 89560901, 268682703, 626926307, 1880778921]

約数ペア:

[(1, 1880778921), (3, 626926307), (7, 268682703), (21, 89560901), (83, 22659987), (131, 14357091), (249, 7553329), (393, 4785697), (581, 3237141), (917, 2051013), (1743, 1079047), (2751, 683671), (8237, 228333), (10873, 172977), (24711, 76111), (32619, 57659)]