72898287

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 127733760

約数和(自身を除く): 54835473

約数列:

[1, 3, 7, 11, 21, 33, 41, 43, 77, 123, 129, 179, 231, 287, 301, 451, 473, 537, 861, 903, 1253, 1353, 1419, 1763, 1969, 3157, 3311, 3759, 5289, 5907, 7339, 7697, 9471, 9933, 12341, 13783, 19393, 22017, 23091, 37023, 41349, 51373, 53879, 58179, 80729, 84667, 135751, 154119, 161637, 242187, 254001, 315577, 407253, 565103, 592669, 946731, 1695309, 1778007, 2209039, 3471347, 6627117, 10414041, 24299429, 72898287]

約数ペア:

[(1, 72898287), (3, 24299429), (7, 10414041), (11, 6627117), (21, 3471347), (33, 2209039), (41, 1778007), (43, 1695309), (77, 946731), (123, 592669), (129, 565103), (179, 407253), (231, 315577), (287, 254001), (301, 242187), (451, 161637), (473, 154119), (537, 135751), (861, 84667), (903, 80729), (1253, 58179), (1353, 53879), (1419, 51373), (1763, 41349), (1969, 37023), (3157, 23091), (3311, 22017), (3759, 19393), (5289, 13783), (5907, 12341), (7339, 9933), (7697, 9471)]