81838755

素因数分解:

$3^5\times 5^1\times {\mathrm{193}}^1\times {\mathrm{349}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 148293600

約数和(自身を除く): 66454845

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 193, 243, 349, 405, 579, 965, 1047, 1215, 1737, 1745, 2895, 3141, 5211, 5235, 8685, 9423, 15633, 15705, 26055, 28269, 46899, 47115, 67357, 78165, 84807, 141345, 202071, 234495, 336785, 424035, 606213, 1010355, 1818639, 3031065, 5455917, 9093195, 16367751, 27279585, 81838755]

約数ペア:

[(1, 81838755), (3, 27279585), (5, 16367751), (9, 9093195), (15, 5455917), (27, 3031065), (45, 1818639), (81, 1010355), (135, 606213), (193, 424035), (243, 336785), (349, 234495), (405, 202071), (579, 141345), (965, 84807), (1047, 78165), (1215, 67357), (1737, 47115), (1745, 46899), (2895, 28269), (3141, 26055), (5211, 15705), (5235, 15633), (8685, 9423)]