81991038

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{1627}}^1$

素因数の和:1896

約数の個数: 32

約数和(自身を含む): 169259904

約数和(自身を除く): 87268866

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 227, 454, 681, 1362, 1627, 3254, 4881, 8399, 9762, 16798, 25197, 50394, 60199, 120398, 180597, 361194, 369329, 738658, 1107987, 2215974, 13665173, 27330346, 40995519, 81991038]

約数ペア:

[(1, 81991038), (2, 40995519), (3, 27330346), (6, 13665173), (37, 2215974), (74, 1107987), (111, 738658), (222, 369329), (227, 361194), (454, 180597), (681, 120398), (1362, 60199), (1627, 50394), (3254, 25197), (4881, 16798), (8399, 9762)]