27825975

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 54936960

約数和(自身を除く): 27110985

約数列:

[1, 3, 5, 9, 15, 19, 23, 25, 45, 57, 69, 75, 95, 115, 171, 207, 225, 283, 285, 345, 437, 475, 575, 849, 855, 1035, 1311, 1415, 1425, 1725, 2185, 2547, 3933, 4245, 4275, 5175, 5377, 6509, 6555, 7075, 10925, 12735, 16131, 19527, 19665, 21225, 26885, 32545, 32775, 48393, 58581, 63675, 80655, 97635, 98325, 123671, 134425, 162725, 241965, 292905, 371013, 403275, 488175, 618355, 1113039, 1209825, 1464525, 1855065, 3091775, 5565195, 9275325, 27825975]

約数ペア:

[(1, 27825975), (3, 9275325), (5, 5565195), (9, 3091775), (15, 1855065), (19, 1464525), (23, 1209825), (25, 1113039), (45, 618355), (57, 488175), (69, 403275), (75, 371013), (95, 292905), (115, 241965), (171, 162725), (207, 134425), (225, 123671), (283, 98325), (285, 97635), (345, 80655), (437, 63675), (475, 58581), (575, 48393), (849, 32775), (855, 32545), (1035, 26885), (1311, 21225), (1415, 19665), (1425, 19527), (1725, 16131), (2185, 12735), (2547, 10925), (3933, 7075), (4245, 6555), (4275, 6509), (5175, 5377)]