19647225

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2239}}^1$

素因数の和:2271

約数の個数: 48

約数和(自身を含む): 38886400

約数和(自身を除く): 19239175

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2239, 2925, 6717, 8775, 11195, 20151, 29107, 33585, 55975, 60453, 87321, 100755, 145535, 167925, 261963, 302265, 436605, 503775, 727675, 785889, 1309815, 1511325, 2183025, 3929445, 6549075, 19647225]

約数ペア:

[(1, 19647225), (3, 6549075), (5, 3929445), (9, 2183025), (13, 1511325), (15, 1309815), (25, 785889), (27, 727675), (39, 503775), (45, 436605), (65, 302265), (75, 261963), (117, 167925), (135, 145535), (195, 100755), (225, 87321), (325, 60453), (351, 55975), (585, 33585), (675, 29107), (975, 20151), (1755, 11195), (2239, 8775), (2925, 6717)]