13215825

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{2797}}^1$

素因数の和:2823

約数の個数: 48

約数和(自身を含む): 27756160

約数和(自身を除く): 14540335

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 2797, 4725, 8391, 13985, 19579, 25173, 41955, 58737, 69925, 75519, 97895, 125865, 176211, 209775, 293685, 377595, 489475, 528633, 629325, 881055, 1468425, 1887975, 2643165, 4405275, 13215825]

約数ペア:

[(1, 13215825), (3, 4405275), (5, 2643165), (7, 1887975), (9, 1468425), (15, 881055), (21, 629325), (25, 528633), (27, 489475), (35, 377595), (45, 293685), (63, 209775), (75, 176211), (105, 125865), (135, 97895), (175, 75519), (189, 69925), (225, 58737), (315, 41955), (525, 25173), (675, 19579), (945, 13985), (1575, 8391), (2797, 4725)]