156728925

素因数分解:

$3^5\times 5^2\times {\mathrm{25799}}^1$

素因数の和:25824

約数の個数: 36

約数和(自身を含む): 291127200

約数和(自身を除く): 134398275

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 6075, 25799, 77397, 128995, 232191, 386985, 644975, 696573, 1160955, 1934925, 2089719, 3482865, 5804775, 6269157, 10448595, 17414325, 31345785, 52242975, 156728925]

約数ペア:

[(1, 156728925), (3, 52242975), (5, 31345785), (9, 17414325), (15, 10448595), (25, 6269157), (27, 5804775), (45, 3482865), (75, 2089719), (81, 1934925), (135, 1160955), (225, 696573), (243, 644975), (405, 386985), (675, 232191), (1215, 128995), (2025, 77397), (6075, 25799)]