28713089097

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{221567}}^1$

素因数の和:221619

約数の個数: 72

約数和(自身を含む): 55165114368

約数和(自身を除く): 26452025271

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 121, 153, 187, 231, 357, 363, 561, 693, 847, 1071, 1089, 1309, 1683, 2057, 2541, 3927, 6171, 7623, 11781, 14399, 18513, 43197, 129591, 221567, 664701, 1550969, 1994103, 2437237, 3766639, 4652907, 7311711, 11299917, 13958721, 17060659, 21935133, 26366473, 26809607, 33899751, 41433029, 51181977, 79099419, 80428821, 124299087, 153545931, 187667249, 237298257, 241286463, 290031203, 372897261, 455763319, 563001747, 870093609, 1367289957, 1689005241, 2610280827, 3190343233, 4101869871, 9571029699, 28713089097]

約数ペア:

[(1, 28713089097), (3, 9571029699), (7, 4101869871), (9, 3190343233), (11, 2610280827), (17, 1689005241), (21, 1367289957), (33, 870093609), (51, 563001747), (63, 455763319), (77, 372897261), (99, 290031203), (119, 241286463), (121, 237298257), (153, 187667249), (187, 153545931), (231, 124299087), (357, 80428821), (363, 79099419), (561, 51181977), (693, 41433029), (847, 33899751), (1071, 26809607), (1089, 26366473), (1309, 21935133), (1683, 17060659), (2057, 13958721), (2541, 11299917), (3927, 7311711), (6171, 4652907), (7623, 3766639), (11781, 2437237), (14399, 1994103), (18513, 1550969), (43197, 664701), (129591, 221567)]