28688625

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{3643}}^1$

素因数の和:3671

約数の個数: 48

約数和(自身を含む): 59120256

約数和(自身を除く): 30431631

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 525, 875, 1125, 1575, 2625, 3643, 7875, 10929, 18215, 25501, 32787, 54645, 76503, 91075, 127505, 163935, 229509, 273225, 382515, 455375, 637525, 819675, 1147545, 1366125, 1912575, 3187625, 4098375, 5737725, 9562875, 28688625]

約数ペア:

[(1, 28688625), (3, 9562875), (5, 5737725), (7, 4098375), (9, 3187625), (15, 1912575), (21, 1366125), (25, 1147545), (35, 819675), (45, 637525), (63, 455375), (75, 382515), (105, 273225), (125, 229509), (175, 163935), (225, 127505), (315, 91075), (375, 76503), (525, 54645), (875, 32787), (1125, 25501), (1575, 18215), (2625, 10929), (3643, 7875)]