28026075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 60567552

約数和(自身を除く): 32541477

約数列:

[1, 3, 5, 7, 11, 15, 21, 23, 25, 33, 35, 55, 69, 75, 77, 105, 115, 161, 165, 175, 211, 231, 253, 275, 345, 385, 483, 525, 575, 633, 759, 805, 825, 1055, 1155, 1265, 1477, 1725, 1771, 1925, 2321, 2415, 3165, 3795, 4025, 4431, 4853, 5275, 5313, 5775, 6325, 6963, 7385, 8855, 11605, 12075, 14559, 15825, 16247, 18975, 22155, 24265, 26565, 33971, 34815, 36925, 44275, 48741, 53383, 58025, 72795, 81235, 101913, 110775, 121325, 132825, 160149, 169855, 174075, 243705, 266915, 363975, 373681, 406175, 509565, 800745, 849275, 1121043, 1218525, 1334575, 1868405, 2547825, 4003725, 5605215, 9342025, 28026075]

約数ペア:

[(1, 28026075), (3, 9342025), (5, 5605215), (7, 4003725), (11, 2547825), (15, 1868405), (21, 1334575), (23, 1218525), (25, 1121043), (33, 849275), (35, 800745), (55, 509565), (69, 406175), (75, 373681), (77, 363975), (105, 266915), (115, 243705), (161, 174075), (165, 169855), (175, 160149), (211, 132825), (231, 121325), (253, 110775), (275, 101913), (345, 81235), (385, 72795), (483, 58025), (525, 53383), (575, 48741), (633, 44275), (759, 36925), (805, 34815), (825, 33971), (1055, 26565), (1155, 24265), (1265, 22155), (1477, 18975), (1725, 16247), (1771, 15825), (1925, 14559), (2321, 12075), (2415, 11605), (3165, 8855), (3795, 7385), (4025, 6963), (4431, 6325), (4853, 5775), (5275, 5313)]