201520119

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 284497920

約数和(自身を除く): 82977801

約数列:

[1, 3, 31, 89, 93, 97, 251, 267, 291, 753, 2759, 3007, 7781, 8277, 8633, 9021, 22339, 23343, 24347, 25899, 67017, 73041, 267623, 692509, 754757, 802869, 2077527, 2166883, 2264271, 6500649, 67173373, 201520119]

約数ペア:

[(1, 201520119), (3, 67173373), (31, 6500649), (89, 2264271), (93, 2166883), (97, 2077527), (251, 802869), (267, 754757), (291, 692509), (753, 267623), (2759, 73041), (3007, 67017), (7781, 25899), (8277, 24347), (8633, 23343), (9021, 22339)]