28191045

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{283}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 47030400

約数和(自身を除く): 18839355

約数列:

[1, 3, 5, 15, 29, 87, 145, 229, 283, 435, 687, 849, 1145, 1415, 3435, 4245, 6641, 8207, 19923, 24621, 33205, 41035, 64807, 99615, 123105, 194421, 324035, 972105, 1879403, 5638209, 9397015, 28191045]

約数ペア:

[(1, 28191045), (3, 9397015), (5, 5638209), (15, 1879403), (29, 972105), (87, 324035), (145, 194421), (229, 123105), (283, 99615), (435, 64807), (687, 41035), (849, 33205), (1145, 24621), (1415, 19923), (3435, 8207), (4245, 6641)]