26987925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 48157632

約数和(自身を除く): 21169707

約数列:

[1, 3, 5, 15, 17, 25, 51, 61, 75, 85, 183, 255, 305, 347, 425, 915, 1037, 1041, 1275, 1525, 1735, 3111, 4575, 5185, 5205, 5899, 8675, 15555, 17697, 21167, 25925, 26025, 29495, 63501, 77775, 88485, 105835, 147475, 317505, 359839, 442425, 529175, 1079517, 1587525, 1799195, 5397585, 8995975, 26987925]

約数ペア:

[(1, 26987925), (3, 8995975), (5, 5397585), (15, 1799195), (17, 1587525), (25, 1079517), (51, 529175), (61, 442425), (75, 359839), (85, 317505), (183, 147475), (255, 105835), (305, 88485), (347, 77775), (425, 63501), (915, 29495), (1037, 26025), (1041, 25925), (1275, 21167), (1525, 17697), (1735, 15555), (3111, 8675), (4575, 5899), (5185, 5205)]