27578187

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 49573888

約数和(自身を除く): 21995701

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 151, 223, 273, 453, 669, 819, 1057, 1359, 1561, 1963, 2007, 2899, 3171, 4683, 5889, 8697, 9513, 13741, 14049, 17667, 20293, 26091, 33673, 41223, 60879, 101019, 123669, 182637, 235711, 303057, 437749, 707133, 1313247, 2121399, 3064243, 3939741, 9192729, 27578187]

約数ペア:

[(1, 27578187), (3, 9192729), (7, 3939741), (9, 3064243), (13, 2121399), (21, 1313247), (39, 707133), (63, 437749), (91, 303057), (117, 235711), (151, 182637), (223, 123669), (273, 101019), (453, 60879), (669, 41223), (819, 33673), (1057, 26091), (1359, 20293), (1561, 17667), (1963, 14049), (2007, 13741), (2899, 9513), (3171, 8697), (4683, 5889)]