28376253

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 45826560

約数和(自身を除く): 17450307

約数列:

[1, 3, 9, 19, 31, 53, 57, 93, 101, 159, 171, 279, 303, 477, 589, 909, 1007, 1643, 1767, 1919, 3021, 3131, 4929, 5301, 5353, 5757, 9063, 9393, 14787, 16059, 17271, 28179, 31217, 48177, 59489, 93651, 101707, 165943, 178467, 280953, 305121, 497829, 535401, 915363, 1493487, 3152917, 9458751, 28376253]

約数ペア:

[(1, 28376253), (3, 9458751), (9, 3152917), (19, 1493487), (31, 915363), (53, 535401), (57, 497829), (93, 305121), (101, 280953), (159, 178467), (171, 165943), (279, 101707), (303, 93651), (477, 59489), (589, 48177), (909, 31217), (1007, 28179), (1643, 17271), (1767, 16059), (1919, 14787), (3021, 9393), (3131, 9063), (4929, 5757), (5301, 5353)]