391830399

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 644474880

約数和(自身を除く): 252644481

約数列:

[1, 3, 9, 17, 27, 41, 47, 51, 123, 141, 153, 369, 423, 443, 459, 697, 799, 1107, 1269, 1329, 1927, 2091, 2397, 3987, 5781, 6273, 7191, 7531, 11961, 17343, 18163, 18819, 20821, 21573, 22593, 32759, 52029, 54489, 62463, 67779, 98277, 163467, 187389, 203337, 294831, 308771, 353957, 490401, 562167, 853661, 884493, 926313, 1061871, 2560983, 2778939, 3185613, 7682949, 8336817, 9556839, 14512237, 23048847, 43536711, 130610133, 391830399]

約数ペア:

[(1, 391830399), (3, 130610133), (9, 43536711), (17, 23048847), (27, 14512237), (41, 9556839), (47, 8336817), (51, 7682949), (123, 3185613), (141, 2778939), (153, 2560983), (369, 1061871), (423, 926313), (443, 884493), (459, 853661), (697, 562167), (799, 490401), (1107, 353957), (1269, 308771), (1329, 294831), (1927, 203337), (2091, 187389), (2397, 163467), (3987, 98277), (5781, 67779), (6273, 62463), (7191, 54489), (7531, 52029), (11961, 32759), (17343, 22593), (18163, 21573), (18819, 20821)]