78812805

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 128304000

約数和(自身を除く): 49491195

約数列:

[1, 3, 5, 15, 149, 179, 197, 447, 537, 591, 745, 895, 985, 2235, 2685, 2955, 26671, 29353, 35263, 80013, 88059, 105789, 133355, 146765, 176315, 400065, 440295, 528945, 5254187, 15762561, 26270935, 78812805]

約数ペア:

[(1, 78812805), (3, 26270935), (5, 15762561), (15, 5254187), (149, 528945), (179, 440295), (197, 400065), (447, 176315), (537, 146765), (591, 133355), (745, 105789), (895, 88059), (985, 80013), (2235, 35263), (2685, 29353), (2955, 26671)]