253106763

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{2801}}^1$

素因数の和:3155

約数の個数: 32

約数和(自身を含む): 416758272

約数和(自身を除く): 163651509

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 331, 993, 2317, 2801, 4303, 6951, 8403, 12909, 19607, 30121, 36413, 58821, 90363, 109239, 254891, 764673, 927131, 2781393, 6489917, 12052703, 19469751, 36158109, 84368921, 253106763]

約数ペア:

[(1, 253106763), (3, 84368921), (7, 36158109), (13, 19469751), (21, 12052703), (39, 6489917), (91, 2781393), (273, 927131), (331, 764673), (993, 254891), (2317, 109239), (2801, 90363), (4303, 58821), (6951, 36413), (8403, 30121), (12909, 19607)]