215755.0000000

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 16809984

約数和(自身を除く): 6967479

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 607, 705, 1081, 1821, 3035, 3243, 5405, 9105, 13961, 16215, 28529, 41883, 69805, 85587, 142645, 209415, 427935, 656167, 1968501, 3280835, 9842505]

約数ペア:

[(1, 9842505), (3, 3280835), (5, 1968501), (15, 656167), (23, 427935), (47, 209415), (69, 142645), (115, 85587), (141, 69805), (235, 41883), (345, 28529), (607, 16215), (705, 13961), (1081, 9105), (1821, 5405), (3035, 3243)]