28305525

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 49818240

約数和(自身を除く): 21512715

約数列:

[1, 3, 5, 15, 23, 25, 61, 69, 75, 115, 183, 269, 305, 345, 575, 807, 915, 1345, 1403, 1525, 1725, 4035, 4209, 4575, 6187, 6725, 7015, 16409, 18561, 20175, 21045, 30935, 35075, 49227, 82045, 92805, 105225, 154675, 246135, 377407, 410225, 464025, 1132221, 1230675, 1887035, 5661105, 9435175, 28305525]

約数ペア:

[(1, 28305525), (3, 9435175), (5, 5661105), (15, 1887035), (23, 1230675), (25, 1132221), (61, 464025), (69, 410225), (75, 377407), (115, 246135), (183, 154675), (269, 105225), (305, 92805), (345, 82045), (575, 49227), (807, 35075), (915, 30935), (1345, 21045), (1403, 20175), (1525, 18561), (1725, 16409), (4035, 7015), (4209, 6725), (4575, 6187)]