201781653

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3929}}^1$

素因数の和:4021

約数の個数: 32

約数和(自身を含む): 305596800

約数和(自身を除く): 103815147

約数列:

[1, 3, 17, 19, 51, 53, 57, 159, 323, 901, 969, 1007, 2703, 3021, 3929, 11787, 17119, 51357, 66793, 74651, 200379, 208237, 223953, 624711, 1269067, 3540029, 3807201, 3956503, 10620087, 11869509, 67260551, 201781653]

約数ペア:

[(1, 201781653), (3, 67260551), (17, 11869509), (19, 10620087), (51, 3956503), (53, 3807201), (57, 3540029), (159, 1269067), (323, 624711), (901, 223953), (969, 208237), (1007, 200379), (2703, 74651), (3021, 66793), (3929, 51357), (11787, 17119)]