989235

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 1965600

約数和(自身を除く): 976365

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 89, 95, 117, 171, 195, 247, 267, 285, 445, 585, 741, 801, 855, 1157, 1235, 1335, 1691, 2223, 3471, 3705, 4005, 5073, 5785, 8455, 10413, 11115, 15219, 17355, 21983, 25365, 52065, 65949, 76095, 109915, 197847, 329745, 989235]

約数ペア:

[(1, 989235), (3, 329745), (5, 197847), (9, 109915), (13, 76095), (15, 65949), (19, 52065), (39, 25365), (45, 21983), (57, 17355), (65, 15219), (89, 11115), (95, 10413), (117, 8455), (171, 5785), (195, 5073), (247, 4005), (267, 3705), (285, 3471), (445, 2223), (585, 1691), (741, 1335), (801, 1235), (855, 1157)]