13720395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 23998464

約数和(自身を除く): 10278069

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 195, 213, 355, 923, 991, 1065, 2769, 2973, 4615, 4955, 12883, 13845, 14865, 38649, 64415, 70361, 193245, 211083, 351805, 914693, 1055415, 2744079, 4573465, 13720395]

約数ペア:

[(1, 13720395), (3, 4573465), (5, 2744079), (13, 1055415), (15, 914693), (39, 351805), (65, 211083), (71, 193245), (195, 70361), (213, 64415), (355, 38649), (923, 14865), (991, 13845), (1065, 12883), (2769, 4955), (2973, 4615)]