13169975

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:864

約数の個数: 36

約数和(自身を含む): 20483064

約数和(自身を除く): 7313089

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 455, 637, 827, 1225, 2275, 3185, 4135, 5789, 10751, 15925, 20675, 28945, 40523, 53755, 75257, 144725, 202615, 268775, 376285, 526799, 1013075, 1881425, 2633995, 13169975]

約数ペア:

[(1, 13169975), (5, 2633995), (7, 1881425), (13, 1013075), (25, 526799), (35, 376285), (49, 268775), (65, 202615), (91, 144725), (175, 75257), (245, 53755), (325, 40523), (455, 28945), (637, 20675), (827, 15925), (1225, 10751), (2275, 5789), (3185, 4135)]