78911955

素因数分解:

$3^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{887}}^1$

素因数の和:1560

約数の個数: 32

約数和(自身を含む): 140659200

約数和(自身を除く): 61747245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 659, 887, 1977, 2661, 3295, 4435, 5931, 7983, 9885, 13305, 17793, 23949, 29655, 39915, 88965, 119745, 584533, 1753599, 2922665, 5260797, 8767995, 15782391, 26303985, 78911955]

約数ペア:

[(1, 78911955), (3, 26303985), (5, 15782391), (9, 8767995), (15, 5260797), (27, 2922665), (45, 1753599), (135, 584533), (659, 119745), (887, 88965), (1977, 39915), (2661, 29655), (3295, 23949), (4435, 17793), (5931, 13305), (7983, 9885)]