27752725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1109}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 46247040

約数和(自身を除く): 18494315

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 715, 1001, 1109, 1925, 2275, 3575, 5005, 5545, 7763, 12199, 14417, 25025, 27725, 38815, 60995, 72085, 85393, 100919, 158587, 194075, 304975, 360425, 426965, 504595, 792935, 1110109, 2134825, 2522975, 3964675, 5550545, 27752725]

約数ペア:

[(1, 27752725), (5, 5550545), (7, 3964675), (11, 2522975), (13, 2134825), (25, 1110109), (35, 792935), (55, 504595), (65, 426965), (77, 360425), (91, 304975), (143, 194075), (175, 158587), (275, 100919), (325, 85393), (385, 72085), (455, 60995), (715, 38815), (1001, 27725), (1109, 25025), (1925, 14417), (2275, 12199), (3575, 7763), (5005, 5545)]