28183545

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:184

約数の個数: 80

約数和(自身を含む): 55983312

約数和(自身を除く): 27799767

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 53, 65, 81, 101, 117, 135, 159, 195, 265, 303, 351, 405, 477, 505, 585, 689, 795, 909, 1053, 1313, 1431, 1515, 1755, 2067, 2385, 2727, 3445, 3939, 4293, 4545, 5265, 5353, 6201, 6565, 7155, 8181, 10335, 11817, 13635, 16059, 18603, 19695, 21465, 26765, 31005, 35451, 40905, 48177, 55809, 59085, 69589, 80295, 93015, 106353, 144531, 177255, 208767, 240885, 279045, 347945, 433593, 531765, 626301, 722655, 1043835, 1878903, 2167965, 3131505, 5636709, 9394515, 28183545]

約数ペア:

[(1, 28183545), (3, 9394515), (5, 5636709), (9, 3131505), (13, 2167965), (15, 1878903), (27, 1043835), (39, 722655), (45, 626301), (53, 531765), (65, 433593), (81, 347945), (101, 279045), (117, 240885), (135, 208767), (159, 177255), (195, 144531), (265, 106353), (303, 93015), (351, 80295), (405, 69589), (477, 59085), (505, 55809), (585, 48177), (689, 40905), (795, 35451), (909, 31005), (1053, 26765), (1313, 21465), (1431, 19695), (1515, 18603), (1755, 16059), (2067, 13635), (2385, 11817), (2727, 10335), (3445, 8181), (3939, 7155), (4293, 6565), (4545, 6201), (5265, 5353)]