128530965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{8263}}^1$

素因数の和:8349

約数の個数: 32

約数和(自身を含む): 221342976

約数和(自身を除く): 92812011

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 183, 255, 305, 915, 1037, 3111, 5185, 8263, 15555, 24789, 41315, 123945, 140471, 421413, 504043, 702355, 1512129, 2107065, 2520215, 7560645, 8568731, 25706193, 42843655, 128530965]

約数ペア:

[(1, 128530965), (3, 42843655), (5, 25706193), (15, 8568731), (17, 7560645), (51, 2520215), (61, 2107065), (85, 1512129), (183, 702355), (255, 504043), (305, 421413), (915, 140471), (1037, 123945), (3111, 41315), (5185, 24789), (8263, 15555)]