218536479

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1907}}^1$

素因数の和:2044

約数の個数: 48

約数和(自身を含む): 385751808

約数和(自身を除く): 167215329

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 107, 119, 153, 321, 357, 749, 963, 1071, 1819, 1907, 2247, 5457, 5721, 6741, 12733, 13349, 16371, 17163, 32419, 38199, 40047, 97257, 114597, 120141, 204049, 226933, 291771, 612147, 680799, 1428343, 1836441, 2042397, 3468833, 4285029, 10406499, 12855087, 24281831, 31219497, 72845493, 218536479]

約数ペア:

[(1, 218536479), (3, 72845493), (7, 31219497), (9, 24281831), (17, 12855087), (21, 10406499), (51, 4285029), (63, 3468833), (107, 2042397), (119, 1836441), (153, 1428343), (321, 680799), (357, 612147), (749, 291771), (963, 226933), (1071, 204049), (1819, 120141), (1907, 114597), (2247, 97257), (5457, 40047), (5721, 38199), (6741, 32419), (12733, 17163), (13349, 16371)]