27687465

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 28921815

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 47, 53, 57, 65, 95, 117, 141, 159, 171, 195, 235, 247, 265, 285, 423, 477, 585, 611, 689, 705, 741, 795, 855, 893, 1007, 1235, 1833, 2067, 2115, 2223, 2385, 2491, 2679, 3021, 3055, 3445, 3705, 4465, 5035, 5499, 6201, 7473, 8037, 9063, 9165, 10335, 11115, 11609, 12455, 13091, 13395, 15105, 22419, 27495, 31005, 32383, 34827, 37365, 39273, 40185, 45315, 47329, 58045, 65455, 97149, 104481, 112095, 117819, 141987, 161915, 174135, 196365, 236645, 291447, 425961, 485745, 522405, 589095, 615277, 709935, 1457235, 1845831, 2129805, 3076385, 5537493, 9229155, 27687465]

約数ペア:

[(1, 27687465), (3, 9229155), (5, 5537493), (9, 3076385), (13, 2129805), (15, 1845831), (19, 1457235), (39, 709935), (45, 615277), (47, 589095), (53, 522405), (57, 485745), (65, 425961), (95, 291447), (117, 236645), (141, 196365), (159, 174135), (171, 161915), (195, 141987), (235, 117819), (247, 112095), (265, 104481), (285, 97149), (423, 65455), (477, 58045), (585, 47329), (611, 45315), (689, 40185), (705, 39273), (741, 37365), (795, 34827), (855, 32383), (893, 31005), (1007, 27495), (1235, 22419), (1833, 15105), (2067, 13395), (2115, 13091), (2223, 12455), (2385, 11609), (2491, 11115), (2679, 10335), (3021, 9165), (3055, 9063), (3445, 8037), (3705, 7473), (4465, 6201), (5035, 5499)]