71993997

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 116633088

約数和(自身を除く): 44639091

約数列:

[1, 3, 9, 17, 31, 43, 51, 93, 129, 153, 279, 353, 387, 527, 731, 1059, 1333, 1581, 2193, 3177, 3999, 4743, 6001, 6579, 10943, 11997, 15179, 18003, 22661, 32829, 45537, 54009, 67983, 98487, 136611, 186031, 203949, 258043, 470549, 558093, 774129, 1411647, 1674279, 2322387, 4234941, 7999333, 23997999, 71993997]

約数ペア:

[(1, 71993997), (3, 23997999), (9, 7999333), (17, 4234941), (31, 2322387), (43, 1674279), (51, 1411647), (93, 774129), (129, 558093), (153, 470549), (279, 258043), (353, 203949), (387, 186031), (527, 136611), (731, 98487), (1059, 67983), (1333, 54009), (1581, 45537), (2193, 32829), (3177, 22661), (3999, 18003), (4743, 15179), (6001, 11997), (6579, 10943)]