1293615

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 2527200

約数和(自身を除く): 1233585

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 89, 95, 153, 171, 255, 267, 285, 323, 445, 765, 801, 855, 969, 1335, 1513, 1615, 1691, 2907, 4005, 4539, 4845, 5073, 7565, 8455, 13617, 14535, 15219, 22695, 25365, 28747, 68085, 76095, 86241, 143735, 258723, 431205, 1293615]

約数ペア:

[(1, 1293615), (3, 431205), (5, 258723), (9, 143735), (15, 86241), (17, 76095), (19, 68085), (45, 28747), (51, 25365), (57, 22695), (85, 15219), (89, 14535), (95, 13617), (153, 8455), (171, 7565), (255, 5073), (267, 4845), (285, 4539), (323, 4005), (445, 2907), (765, 1691), (801, 1615), (855, 1513), (969, 1335)]