20212929

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 14260671

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 121, 207, 253, 269, 297, 363, 621, 759, 807, 1089, 2277, 2421, 2783, 2959, 3267, 6187, 6831, 7263, 8349, 8877, 18561, 25047, 26631, 32549, 55683, 68057, 75141, 79893, 97647, 167049, 204171, 292941, 612513, 748627, 878823, 1837539, 2245881, 6737643, 20212929]

約数ペア:

[(1, 20212929), (3, 6737643), (9, 2245881), (11, 1837539), (23, 878823), (27, 748627), (33, 612513), (69, 292941), (99, 204171), (121, 167049), (207, 97647), (253, 79893), (269, 75141), (297, 68057), (363, 55683), (621, 32549), (759, 26631), (807, 25047), (1089, 18561), (2277, 8877), (2421, 8349), (2783, 7263), (2959, 6831), (3267, 6187)]