218974977

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1237}}^1$

素因数の和:1362

約数の個数: 48

約数和(自身を含む): 365011920

約数和(自身を除く): 146036943

約数列:

[1, 3, 9, 13, 17, 39, 51, 89, 117, 153, 221, 267, 663, 801, 1157, 1237, 1513, 1989, 3471, 3711, 4539, 10413, 11133, 13617, 16081, 19669, 21029, 48243, 59007, 63087, 110093, 144729, 177021, 189261, 273377, 330279, 820131, 990837, 1431209, 1871581, 2460393, 4293627, 5614743, 12880881, 16844229, 24330553, 72991659, 218974977]

約数ペア:

[(1, 218974977), (3, 72991659), (9, 24330553), (13, 16844229), (17, 12880881), (39, 5614743), (51, 4293627), (89, 2460393), (117, 1871581), (153, 1431209), (221, 990837), (267, 820131), (663, 330279), (801, 273377), (1157, 189261), (1237, 177021), (1513, 144729), (1989, 110093), (3471, 63087), (3711, 59007), (4539, 48243), (10413, 21029), (11133, 19669), (13617, 16081)]