219315375

素因数分解:

$3^2\times 5^3\times {\mathrm{383}}^1\times {\mathrm{509}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 397163520

約数和(自身を除く): 177848145

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 383, 509, 1125, 1149, 1527, 1915, 2545, 3447, 4581, 5745, 7635, 9575, 12725, 17235, 22905, 28725, 38175, 47875, 63625, 86175, 114525, 143625, 190875, 194947, 430875, 572625, 584841, 974735, 1754523, 2924205, 4873675, 8772615, 14621025, 24368375, 43863075, 73105125, 219315375]

約数ペア:

[(1, 219315375), (3, 73105125), (5, 43863075), (9, 24368375), (15, 14621025), (25, 8772615), (45, 4873675), (75, 2924205), (125, 1754523), (225, 974735), (375, 584841), (383, 572625), (509, 430875), (1125, 194947), (1149, 190875), (1527, 143625), (1915, 114525), (2545, 86175), (3447, 63625), (4581, 47875), (5745, 38175), (7635, 28725), (9575, 22905), (12725, 17235)]