73889955

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28807}}^1$

素因数の和:28840

約数の個数: 32

約数和(自身を含む): 138278400

約数和(自身を除く): 64388445

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 28807, 86421, 144035, 259263, 432105, 547333, 777789, 1296315, 1641999, 2736665, 3888945, 4925997, 8209995, 14777991, 24629985, 73889955]

約数ペア:

[(1, 73889955), (3, 24629985), (5, 14777991), (9, 8209995), (15, 4925997), (19, 3888945), (27, 2736665), (45, 1641999), (57, 1296315), (95, 777789), (135, 547333), (171, 432105), (285, 259263), (513, 144035), (855, 86421), (2565, 28807)]