72187437

素因数分解:

$3^1\times 7^3\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 117571200

約数和(自身を除く): 45383763

約数列:

[1, 3, 7, 21, 31, 49, 73, 93, 147, 217, 219, 343, 511, 651, 961, 1029, 1519, 1533, 2263, 2883, 3577, 4557, 6727, 6789, 10633, 10731, 15841, 20181, 25039, 31899, 47089, 47523, 70153, 75117, 110887, 141267, 210459, 329623, 332661, 491071, 776209, 988869, 1473213, 2328627, 3437497, 10312491, 24062479, 72187437]

約数ペア:

[(1, 72187437), (3, 24062479), (7, 10312491), (21, 3437497), (31, 2328627), (49, 1473213), (73, 988869), (93, 776209), (147, 491071), (217, 332661), (219, 329623), (343, 210459), (511, 141267), (651, 110887), (961, 75117), (1029, 70153), (1519, 47523), (1533, 47089), (2263, 31899), (2883, 25039), (3577, 20181), (4557, 15841), (6727, 10731), (6789, 10633)]