55977975

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 108519840

約数和(自身を除く): 52541865

約数列:

[1, 3, 5, 9, 15, 23, 25, 29, 45, 69, 75, 87, 115, 145, 207, 225, 261, 345, 373, 435, 575, 667, 725, 1035, 1119, 1305, 1725, 1865, 2001, 2175, 3335, 3357, 5175, 5595, 6003, 6525, 8579, 9325, 10005, 10817, 16675, 16785, 25737, 27975, 30015, 32451, 42895, 50025, 54085, 77211, 83925, 97353, 128685, 150075, 162255, 214475, 248791, 270425, 386055, 486765, 643425, 746373, 811275, 1243955, 1930275, 2239119, 2433825, 3731865, 6219775, 11195595, 18659325, 55977975]

約数ペア:

[(1, 55977975), (3, 18659325), (5, 11195595), (9, 6219775), (15, 3731865), (23, 2433825), (25, 2239119), (29, 1930275), (45, 1243955), (69, 811275), (75, 746373), (87, 643425), (115, 486765), (145, 386055), (207, 270425), (225, 248791), (261, 214475), (345, 162255), (373, 150075), (435, 128685), (575, 97353), (667, 83925), (725, 77211), (1035, 54085), (1119, 50025), (1305, 42895), (1725, 32451), (1865, 30015), (2001, 27975), (2175, 25737), (3335, 16785), (3357, 16675), (5175, 10817), (5595, 10005), (6003, 9325), (6525, 8579)]