30638925

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2389}}^1$

素因数の和:2427

約数の個数: 48

約数和(自身を含む): 59272000

約数和(自身を除く): 28633075

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1425, 2389, 2565, 4275, 7167, 11945, 12825, 21501, 35835, 45391, 59725, 64503, 107505, 136173, 179175, 226955, 322515, 408519, 537525, 680865, 1134775, 1225557, 1612575, 2042595, 3404325, 6127785, 10212975, 30638925]

約数ペア:

[(1, 30638925), (3, 10212975), (5, 6127785), (9, 3404325), (15, 2042595), (19, 1612575), (25, 1225557), (27, 1134775), (45, 680865), (57, 537525), (75, 408519), (95, 322515), (135, 226955), (171, 179175), (225, 136173), (285, 107505), (475, 64503), (513, 59725), (675, 45391), (855, 35835), (1425, 21501), (2389, 12825), (2565, 11945), (4275, 7167)]