28023975

素因数分解:

$3^5\times 5^2\times 7^1\times {\mathrm{659}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 59579520

約数和(自身を除く): 31555545

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 189, 225, 243, 315, 405, 525, 567, 659, 675, 945, 1215, 1575, 1701, 1977, 2025, 2835, 3295, 4613, 4725, 5931, 6075, 8505, 9885, 13839, 14175, 16475, 17793, 23065, 29655, 41517, 42525, 49425, 53379, 69195, 88965, 115325, 124551, 148275, 160137, 207585, 266895, 345975, 373653, 444825, 622755, 800685, 1037925, 1120959, 1334475, 1868265, 3113775, 4003425, 5604795, 9341325, 28023975]

約数ペア:

[(1, 28023975), (3, 9341325), (5, 5604795), (7, 4003425), (9, 3113775), (15, 1868265), (21, 1334475), (25, 1120959), (27, 1037925), (35, 800685), (45, 622755), (63, 444825), (75, 373653), (81, 345975), (105, 266895), (135, 207585), (175, 160137), (189, 148275), (225, 124551), (243, 115325), (315, 88965), (405, 69195), (525, 53379), (567, 49425), (659, 42525), (675, 41517), (945, 29655), (1215, 23065), (1575, 17793), (1701, 16475), (1977, 14175), (2025, 13839), (2835, 9885), (3295, 8505), (4613, 6075), (4725, 5931)]