28013733

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 47511360

約数和(自身を除く): 19497627

約数列:

[1, 3, 9, 11, 19, 33, 53, 57, 99, 159, 171, 209, 281, 477, 583, 627, 843, 1007, 1749, 1881, 2529, 3021, 3091, 5247, 5339, 9063, 9273, 11077, 14893, 16017, 27819, 33231, 44679, 48051, 58729, 99693, 134037, 163823, 176187, 282967, 491469, 528561, 848901, 1474407, 2546703, 3112637, 9337911, 28013733]

約数ペア:

[(1, 28013733), (3, 9337911), (9, 3112637), (11, 2546703), (19, 1474407), (33, 848901), (53, 528561), (57, 491469), (99, 282967), (159, 176187), (171, 163823), (209, 134037), (281, 99693), (477, 58729), (583, 48051), (627, 44679), (843, 33231), (1007, 27819), (1749, 16017), (1881, 14893), (2529, 11077), (3021, 9273), (3091, 9063), (5247, 5339)]