1208115

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:193

約数の個数: 40

約数和(自身を含む): 2294160

約数和(自身を除く): 1086045

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 157, 171, 285, 405, 471, 513, 785, 855, 1413, 1539, 2355, 2565, 2983, 4239, 7065, 7695, 8949, 12717, 14915, 21195, 26847, 44745, 63585, 80541, 134235, 241623, 402705, 1208115]

約数ペア:

[(1, 1208115), (3, 402705), (5, 241623), (9, 134235), (15, 80541), (19, 63585), (27, 44745), (45, 26847), (57, 21195), (81, 14915), (95, 12717), (135, 8949), (157, 7695), (171, 7065), (285, 4239), (405, 2983), (471, 2565), (513, 2355), (785, 1539), (855, 1413)]