28170675

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9631}}^1$

素因数の和:9660

約数の個数: 36

約数和(自身を含む): 54343744

約数和(自身を除く): 26173069

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 9631, 28893, 48155, 86679, 125203, 144465, 240775, 375609, 433395, 626015, 722325, 1126827, 1878045, 2166975, 3130075, 5634135, 9390225, 28170675]

約数ペア:

[(1, 28170675), (3, 9390225), (5, 5634135), (9, 3130075), (13, 2166975), (15, 1878045), (25, 1126827), (39, 722325), (45, 626015), (65, 433395), (75, 375609), (117, 240775), (195, 144465), (225, 125203), (325, 86679), (585, 48155), (975, 28893), (2925, 9631)]