219954015

素因数分解:

$3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{15227}}^1$

素因数の和:15348

約数の個数: 32

約数和(自身を含む): 394709760

約数和(自身を除く): 174755745

約数列:

[1, 3, 5, 9, 15, 27, 45, 107, 135, 321, 535, 963, 1605, 2889, 4815, 14445, 15227, 45681, 76135, 137043, 228405, 411129, 685215, 1629289, 2055645, 4887867, 8146445, 14663601, 24439335, 43990803, 73318005, 219954015]

約数ペア:

[(1, 219954015), (3, 73318005), (5, 43990803), (9, 24439335), (15, 14663601), (27, 8146445), (45, 4887867), (107, 2055645), (135, 1629289), (321, 685215), (535, 411129), (963, 228405), (1605, 137043), (2889, 76135), (4815, 45681), (14445, 15227)]