28736253

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2699}}^1$

素因数の和:2738

約数の個数: 36

約数和(自身を含む): 51386400

約数和(自身を除く): 22650147

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 2699, 3549, 8097, 10647, 18893, 24291, 35087, 56679, 105261, 170037, 245609, 315783, 456131, 736827, 1368393, 2210481, 3192917, 4105179, 9578751, 28736253]

約数ペア:

[(1, 28736253), (3, 9578751), (7, 4105179), (9, 3192917), (13, 2210481), (21, 1368393), (39, 736827), (63, 456131), (91, 315783), (117, 245609), (169, 170037), (273, 105261), (507, 56679), (819, 35087), (1183, 24291), (1521, 18893), (2699, 10647), (3549, 8097)]