28556145

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 54075840

約数和(自身を除く): 25519695

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 513, 855, 1215, 1237, 1539, 2565, 3711, 4617, 6185, 7695, 11133, 18555, 23085, 23503, 33399, 55665, 70509, 100197, 117515, 166995, 211527, 300591, 352545, 500985, 634581, 1057635, 1502955, 1903743, 3172905, 5711229, 9518715, 28556145]

約数ペア:

[(1, 28556145), (3, 9518715), (5, 5711229), (9, 3172905), (15, 1903743), (19, 1502955), (27, 1057635), (45, 634581), (57, 500985), (81, 352545), (95, 300591), (135, 211527), (171, 166995), (243, 117515), (285, 100197), (405, 70509), (513, 55665), (855, 33399), (1215, 23503), (1237, 23085), (1539, 18555), (2565, 11133), (3711, 7695), (4617, 6185)]