15111225

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 28291840

約数和(自身を除く): 13180615

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 135, 183, 225, 305, 367, 549, 675, 915, 1101, 1525, 1647, 1835, 2745, 3303, 4575, 5505, 8235, 9175, 9909, 13725, 16515, 22387, 27525, 41175, 49545, 67161, 82575, 111935, 201483, 247725, 335805, 559675, 604449, 1007415, 1679025, 3022245, 5037075, 15111225]

約数ペア:

[(1, 15111225), (3, 5037075), (5, 3022245), (9, 1679025), (15, 1007415), (25, 604449), (27, 559675), (45, 335805), (61, 247725), (75, 201483), (135, 111935), (183, 82575), (225, 67161), (305, 49545), (367, 41175), (549, 27525), (675, 22387), (915, 16515), (1101, 13725), (1525, 9909), (1647, 9175), (1835, 8235), (2745, 5505), (3303, 4575)]