7919865

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 14788800

約数和(自身を除く): 6868935

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 59, 95, 157, 171, 177, 285, 295, 471, 531, 785, 855, 885, 1121, 1413, 2355, 2655, 2983, 3363, 5605, 7065, 8949, 9263, 10089, 14915, 16815, 26847, 27789, 44745, 46315, 50445, 83367, 134235, 138945, 175997, 416835, 527991, 879985, 1583973, 2639955, 7919865]

約数ペア:

[(1, 7919865), (3, 2639955), (5, 1583973), (9, 879985), (15, 527991), (19, 416835), (45, 175997), (57, 138945), (59, 134235), (95, 83367), (157, 50445), (171, 46315), (177, 44745), (285, 27789), (295, 26847), (471, 16815), (531, 14915), (785, 10089), (855, 9263), (885, 8949), (1121, 7065), (1413, 5605), (2355, 3363), (2655, 2983)]