28619475

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 50568192

約数和(自身を除く): 21948717

約数列:

[1, 3, 5, 15, 23, 25, 47, 69, 75, 115, 141, 235, 345, 353, 575, 705, 1059, 1081, 1175, 1725, 1765, 3243, 3525, 5295, 5405, 8119, 8825, 16215, 16591, 24357, 26475, 27025, 40595, 49773, 81075, 82955, 121785, 202975, 248865, 381593, 414775, 608925, 1144779, 1244325, 1907965, 5723895, 9539825, 28619475]

約数ペア:

[(1, 28619475), (3, 9539825), (5, 5723895), (15, 1907965), (23, 1244325), (25, 1144779), (47, 608925), (69, 414775), (75, 381593), (115, 248865), (141, 202975), (235, 121785), (345, 82955), (353, 81075), (575, 49773), (705, 40595), (1059, 27025), (1081, 26475), (1175, 24357), (1725, 16591), (1765, 16215), (3243, 8825), (3525, 8119), (5295, 5405)]