213771015

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{42797}}^1$

素因数の和:42848

約数の個数: 32

約数和(自身を含む): 390317760

約数和(自身を除く): 176546745

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4995, 42797, 128391, 213985, 385173, 641955, 1155519, 1583489, 1925865, 4750467, 5777595, 7917445, 14251401, 23752335, 42754203, 71257005, 213771015]

約数ペア:

[(1, 213771015), (3, 71257005), (5, 42754203), (9, 23752335), (15, 14251401), (27, 7917445), (37, 5777595), (45, 4750467), (111, 1925865), (135, 1583489), (185, 1155519), (333, 641955), (555, 385173), (999, 213985), (1665, 128391), (4995, 42797)]