211323465

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{42307}}^1$

素因数の和:42358

約数の個数: 32

約数和(自身を含む): 385848960

約数和(自身を除く): 174525495

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4995, 42307, 126921, 211535, 380763, 634605, 1142289, 1565359, 1903815, 4696077, 5711445, 7826795, 14088231, 23480385, 42264693, 70441155, 211323465]

約数ペア:

[(1, 211323465), (3, 70441155), (5, 42264693), (9, 23480385), (15, 14088231), (27, 7826795), (37, 5711445), (45, 4696077), (111, 1903815), (135, 1565359), (185, 1142289), (333, 634605), (555, 380763), (999, 211535), (1665, 126921), (4995, 42307)]