12751245

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 24216192

約数和(自身を除く): 11464947

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 71, 117, 195, 213, 307, 355, 585, 639, 921, 923, 1065, 1535, 2763, 2769, 3195, 3991, 4605, 4615, 8307, 11973, 13815, 13845, 19955, 21797, 35919, 41535, 59865, 65391, 108985, 179595, 196173, 283361, 326955, 850083, 980865, 1416805, 2550249, 4250415, 12751245]

約数ペア:

[(1, 12751245), (3, 4250415), (5, 2550249), (9, 1416805), (13, 980865), (15, 850083), (39, 326955), (45, 283361), (65, 196173), (71, 179595), (117, 108985), (195, 65391), (213, 59865), (307, 41535), (355, 35919), (585, 21797), (639, 19955), (921, 13845), (923, 13815), (1065, 11973), (1535, 8307), (2763, 4615), (2769, 4605), (3195, 3991)]