161769231

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 267540000

約数和(自身を除く): 105770769

約数列:

[1, 3, 9, 13, 27, 39, 41, 81, 117, 123, 243, 351, 369, 533, 1053, 1107, 1249, 1599, 3159, 3321, 3747, 4797, 9963, 11241, 14391, 16237, 33723, 43173, 48711, 51209, 101169, 129519, 146133, 153627, 303507, 438399, 460881, 665717, 1315197, 1382643, 1997151, 3945591, 4147929, 5991453, 12443787, 17974359, 53923077, 161769231]

約数ペア:

[(1, 161769231), (3, 53923077), (9, 17974359), (13, 12443787), (27, 5991453), (39, 4147929), (41, 3945591), (81, 1997151), (117, 1382643), (123, 1315197), (243, 665717), (351, 460881), (369, 438399), (533, 303507), (1053, 153627), (1107, 146133), (1249, 129519), (1599, 101169), (3159, 51209), (3321, 48711), (3747, 43173), (4797, 33723), (9963, 16237), (11241, 14391)]