28858725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 60121152

約数和(自身を除く): 31262427

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 73, 75, 105, 175, 219, 225, 251, 315, 365, 511, 525, 657, 753, 1095, 1255, 1533, 1575, 1757, 1825, 2259, 2555, 3285, 3765, 4599, 5271, 5475, 6275, 7665, 8785, 11295, 12775, 15813, 16425, 18323, 18825, 22995, 26355, 38325, 43925, 54969, 56475, 79065, 91615, 114975, 128261, 131775, 164907, 274845, 384783, 395325, 458075, 641305, 824535, 1154349, 1374225, 1923915, 3206525, 4122675, 5771745, 9619575, 28858725]

約数ペア:

[(1, 28858725), (3, 9619575), (5, 5771745), (7, 4122675), (9, 3206525), (15, 1923915), (21, 1374225), (25, 1154349), (35, 824535), (45, 641305), (63, 458075), (73, 395325), (75, 384783), (105, 274845), (175, 164907), (219, 131775), (225, 128261), (251, 114975), (315, 91615), (365, 79065), (511, 56475), (525, 54969), (657, 43925), (753, 38325), (1095, 26355), (1255, 22995), (1533, 18825), (1575, 18323), (1757, 16425), (1825, 15813), (2259, 12775), (2555, 11295), (3285, 8785), (3765, 7665), (4599, 6275), (5271, 5475)]