87141855

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 142990848

約数和(自身を除く): 55848993

約数列:

[1, 3, 5, 15, 61, 131, 183, 305, 393, 655, 727, 915, 1965, 2181, 3635, 7991, 10905, 23973, 39955, 44347, 95237, 119865, 133041, 221735, 285711, 476185, 665205, 1428555, 5809457, 17428371, 29047285, 87141855]

約数ペア:

[(1, 87141855), (3, 29047285), (5, 17428371), (15, 5809457), (61, 1428555), (131, 665205), (183, 476185), (305, 285711), (393, 221735), (655, 133041), (727, 119865), (915, 95237), (1965, 44347), (2181, 39955), (3635, 23973), (7991, 10905)]